JP4114317B2 - Editing device - Google Patents

Description

或いは

のようにして記述が行われる。
【０１１６】
また、ファイルｖｉｄｅｏ１→ｖｉｄｅｏ２→ｖｉｄｅｏ３の順に再生すると共に、ｖｉｄｅｏ１に対しては、音声データのファイルであるａｕｄｉｏ１をアフレコトラックとして同時再生させたいときには、

のようにして記述が行われることになる。
【０１１７】
また、或るファイルと同期再生させるべきファイルについて、この或るファイルが再生されて何秒後の位置から再生させる等の指定を行うための記述も用意されている。
例えば、ｖｉｄｅｏ１の画像ファイルが表示（再生）されてから５秒後にキャプション（例えば文字情報としての画像）を表示させるような場合には、

のようにして記述が行われることになる。
【０１１８】
また、例えば静止画ファイルとしてのファイルｐｉｃｔｕｒｅ１を５秒間表示するように指示するのであれば、
＜ｉｍａｇｅ ｓｒｃ＝”ｐｉｃｔｕｒｅ１” ｄｕｒ ＝ ”５ｓ”＞
のようにして記述される。
【０１１９】
また、いわゆるフレームミュートといわれ、或る動画ファイルの一部を抜き出すようにして再生する場合には、「ｒａｎｇｅ」を利用する。例えば、タイムコードとしてＳＭＰＴＥ(Society of Motion Picture and Television)の規格を採用しているとして、
＜ｖｉｄｅｏ ｓｒｃ＝”ｖｉｄｅｏ１”ｒａｎｇｅ＝”ｓｍｐｔｅ：１０：０７：００−１０：０７：３３”＞
のようにして記述することができる。
【０１２０】
また、或るファイルを指定してリピートを行うのには、「ｒｅｐｅａｔ」を利用する。例えばｖｉｄｅｏ１のファイルを１０回リピートするのであれば、
＜ｖｉｄｅｏ ｓｒｃ ＝ ”ｖｉｄｅｏ１”ｒｅｐｅａｔ ＝ ”１０”＞
のようにして記述する。
【０１２１】
そして本実施の形態においては、このような、ＳＭＩＬといわれるスクリプトを利用し、サムネイル表示として所要の表示形態を与えるための表示制御を実行可能に構成されるものである。
このため、例えば本実施の形態のビデオカメラシステムにおいては、このＳＭＩＬに対応した解釈、及びスクリプトの記述（生成）が行えるように、ＸＭＬのサブセットが用意されることになる。これは、例えばビデオコントローラ３８が実行すべきプログラムとして、プログラムメモリ３９等に予め格納したり、或いはディスクのアプリケーションレイヤーに対して記録して、読み出しが行えるようにしておけばよい。
【０１２２】
本実施の形態においては、このようなスクリプトは、例えば、編集段階（又は録画操作を行っている段階）において、ビデオコントローラ３８が生成又は更新を行って、例えばバッファメモリ３２内の所定領域に保持しておくものとされる。
そして、このようにしてバッファメモリ３２に保持されたスクリプトを、所定の機会、又はタイミングでもってディスクに記録するようにされる。このスクリプトのデータは、図１０及び図１１にて説明した補助データトラック(Auxiliary Data Track)に対して、スクリプトファイルとして格納されることになる。このようにしてディスクにスクリプトが記録されることで、次にこのディスクを新たに装填したときには、このディスクに記録されたスクリプトを読み出し、例えば、バッファメモリ３２に対して保持させてこれを参照することで、以前の編集により得られた再生順等に従って編集再生等を行うことが可能となるものである。
【０１２３】
８．操作画面表示
本実施の形態のビデオカメラでは、ディスクに記録されたファイルの検索、また各種編集、設定処理を行うのにあたり、表示パネル６７に対して、操作画面の表示を行う。
この操作画面としては、現在装填されているディスク、及びこのディスクに記録されたファイル等についての各種情報を提示するようにしている。そして、この操作画面に対する押圧操作（以降はポインティング操作という）と、各種操作子に対する操作の併用によって、或る目的に従った各種操作が実現されるようにしている。
ここで、本実施の形態の操作画面としては、現在装填されているディスクに記録されたファイルごとに対応するサムネイル画像（小画像）を提示する、いわゆるサムネイル表示を行うようにもされている。つまり、ユーザは、この操作画面に表示されるサムネイル画像を見ることで、ディスクに記録されたファイル（トラック）の内容を視覚的に確認できる。また、このサムネイル画像に対する操作によって、ファイルの検索や再生等を行うことができる。
【０１２４】
図１１は、本実施の形態のビデオカメラの表示パネル６７に表示される操作画面の表示形態例を示している。
この操作画面は、例えばディスクが装填された状態で再生／編集モードとされると初期画面として表示されるようになっている。
【０１２５】
この図にあっては、先ず、表示領域の上段において、情報表示エリアＡ１が設けられる。この情報表示エリアＡ１においては、ユーザにとって必要とされる各種情報が提示されるもので、ここでは、バッテリ残量表示エリアＡ１−１、スポーツモード表示エリアＡ１−２、再生モード表示エリアＡ１−３、記録残り時間表示エリアＡ１−４、ディスクアイコンＡ１−５が配置される。
【０１２６】
バッテリ残量表示エリアＡ１−１では、バッテリ残量をバッテリのシンボルと時間によって示すようにしている。
また、ここでは詳しい説明は省略するが、本実施の形態のビデオカメラでは、再生モードとして、例えばコマ送り再生などが行われてユーザが撮影した被写体等の運動の動きを確認可能なスポーツモードを設定可能とされている。そして、スポーツモード表示エリアＡ１−２では、スポーツモードが設定されていると、例えば図のように「ＳＰＯＲＴ」という文字によって現在スポーツモードが設定されていることを通知する。
再生モード表示エリアＡ１−３では、例えばシャッフル再生、リピート再生、Ａ−Ｂ間再生など、各種特殊再生モードを文字、シンボル等によって提示する。記録残り時間表示エリアＡ１−４は、ディスクの記録可能な残り容量を時間によって示している。
ディスクアイコンＡ１−５は、例えばディスクが装填されていると表示され、このディスクアイコンＡ１−５に対してポインティング操作を行うと、この図に示す操作画面から、現在装填されているディスクに関する各種情報が表示される、ディスク情報画面の表示に切り換えることが可能となっている。
【０１２７】
この情報表示エリアＡ１の下側には、サムネイル表示エリアＡ２が設けられる。ここでは、最大９枚（９ファイル分）のサムネイル画像を表示可能とされ、Ａ〜Ｉのサムネイル画像ＳＮが表示されている状態が示されている。ここでは示していないが、例えば実際には、各サムネイル画像ＳＮとしては、例えばそのファイルが録画ファイルであれば、その録画ファイルにおいて抜き出された画像が静止画像として表示されている。
【０１２８】
また、ここでＡ〜Ｉのアルファベット順による各サムネイル画像ＳＮの配列順は、基本的には再生順に従っている。つまり、本実施の形態においては、スクリプトにより指定されるファイル再生順に従った所定の配列順によってサムネイル画像を表示可能とされている。但し、ソートなどの操作が行われれば、そのソート順に従ってサムネイル画像が表示される。
【０１２９】
この場合、一度に表示可能なサムネイル画像数は９つとされているが、例えばディスクに記録されているトラック（ファイル）数が９よりも多く、従ってサムネイル画像数も９より多い場合には、サムネイル表示エリアＡ２の右横に表示されるスクロールバーＡ４に対して、ポインティングを行って例えばドラッグ操作を行うことで、サムネイル表示エリアＡ２に表示されているサムネイル画像をスクロールさせながら表示させることができるようになっている。
【０１３０】
また、サムネイル表示エリアＡ２に表示されている各サムネイル画像ＳＮ上においては、各種アイコンが重畳表示されている。
これらアイコンとして、先ず動画アイコンｉ１は、このアイコンが重畳表示されているサムネイル画像が対応するファイルが動画を記録したファイルであることを示している。図１１の場合であれば、サムネイル画像（Ａ，Ｂ，Ｃ，Ｄ，Ｅ）が動画ファイルであることが認識される。
【０１３１】
また、サムネイル画像（Ｇ）に表示されているアイコンは、静止画アイコンｉ２であり、このアイコンによって、そのファイルが静止画ファイルであることが示される。
サムネイル画像（Ｈ）に表示されているのはインタビューファイルアイコンｉ３であり、前述したインタビューモードによって記録されたインタビューファイルであることが示される。
【０１３２】
また、サムネイル画像（Ｉ）に表示されているのはグループアイコンｉ４である。本実施の形態のビデオカメラでは、サムネイル表示上での管理として、再生順的に連続する複数のファイルを１纏めにしてグループ化し、このようにしてグループ化した複数ファイルを１つのサムネイル画像として表示することができる。グループアイコンｉ４は、このようにしてグループ化に対応したサムネイル画像に対して重畳表示される。
【０１３３】
また、サムネイル画像（Ｆ）に表示されているアイコンは、メモファイルアイコンｉ５である。本実施の形態のビデオカメラでは、編集機能として、ユーザがメモ書きをした内容を１つの独立したファイルとして作成可能とされている。このようなメモファイルを例えば任意のファイルの前に挿入して再生させれば、そのファイルのタイトル的な内容がメモファイルによって表示されるようにすることができる。メモファイルアイコンｉ５は、そのファイルがメモファイルであることを示す。
【０１３４】
また、例えばサムネイル画像（Ｃ，Ｅ）に表示されている鉛筆を模したアイコンは、落書きアイコンｉ６である。本実施の形態のビデオカメラの編集機能として、既に記録した画像ファイルに対して、ユーザがペン３２０等によって行ったパネル表示部６７への操作軌跡や、スタンプ画像などの貼り付け操作等によって、落書き的な画像を追加させることが可能とされている。
落書きアイコンｉ６は、この落書き機能によって落書きされたファイルであることを示す。
【０１３５】
また、サムネイル画像（Ｂ，Ｅ）にはマークアイコンｉ７が表示されている。ユーザは、操作画面に対する所定の操作によって、任意のファイルに対してマークを付すことができる。例えばユーザは、自分にとって重要度の高いファイルについてその覚えとしてマークを行うようにされる。そしてマークアイコンｉ７は、このマークが付されていることを示す。
【０１３６】
サムネイル画像（Ａ，Ｅ）にはロックアイコンｉ８が表示されている。ユーザは、これも操作画面に対する所定の操作によって、任意のファイルについて削除、及び編集等の変更等を行わせないように「ロック」を設定することができる。ロックアイコンｉ８は、そのファイルがロックされていることを示す。
また、サムネイル画像（Ａ，Ｅ）の下側には、エフェクトアイコンｉ９が表示されている。本実施の形態では、例えば各種シーンチェンジや、モザイクなどの特殊再生効果をファイルに与えることが可能とされているが、エフェクトアイコンｉ９はこのような特殊効果が与えられたファイルであることを示している。
【０１３７】
本実施の形態では、このようにして、各種アイコンをサムネイル画像上に重畳表示することで、そのサムネイル画像が対応するファイルの種別、各種設定状況等の諸属性を、ユーザに対して視覚的に認識させることが可能となっている。
【０１３８】
また、サムネイル画像（Ｅ）の画像を枠取るようにして表示されるポインタアイコンｉ１０は、例えばユーザがペン３２０などによって、サムネイル画像上をポインティング操作することで、そのポインティング操作されたサムネイル画像に対して移動して表示されるものである。そして、このポインタアイコンｉ１０が配置表示されているサムネイル画像が、現在選択されていることになる。
【０１３９】
また、本実施の形態の操作画面の実際としては、ポインタアイコンｉ１０が配置されていないサムネイル画像についてはアイコンは重畳表示されず、ポインタアイコンｉ１０が配置されて選択が行われたときに、このサムネイル画像に対してアイコンの重畳表示が行われるようになっているものである。
【０１４０】
そして、例えばユーザが所望のサムネイル画像に対してポインタアイコンｉ１０を配置させた状態で再生／ポーズキー３０８を操作したとすると、このポインタアイコンｉ１０が配置されて選択されているファイルから再生が開始されるようになっている。或いは、ポインタアイコンｉ１０が配置表示されているサムネイル画像に対して、再度ポインティング操作を行うと、このポインタアイコンｉ１０が配置されているトラックから再生が開始されるようになっている。
【０１４１】
サムネイル表示エリアＡ２の左側には、各種メニューキーが表示されるメニューキーエリアＡ３が設けられる。
このメニューキーエリアＡ３においては、上から順に、再生メニューキーＡ３−１、編集メニューキーＡ３−２、落書き・効果メニューキーＡ３−３、スタジオメニューキーＡ３−４、設定メニューキーＡ３−５、アドバンストメニューキーＡ３−６が配置表示される。
【０１４２】
再生メニューキーＡ３−１は、各種再生に関するメニューを提示し、設定を行うためのキーであり、例えば再生モード表示エリアＡ１−３に反映される再生モード等を設定することができる。
編集メニューキーＡ３−２は、記録されたファイル単位での編集に関連する各種項目が提示され、例えば、トラック（ファイル）の移動、コピー、削除、トラック分割、トリミング、ファイルのグループ化、静止画取りだし（例えばサムネイル画像として表示させる静止画の選択である）が行える。また、トラック情報を提示すると共にトラック情報ごとに関する各種設定が行えるトラック情報画面への移行のための操作もここで行える。
【０１４３】
落書き・効果メニューキーＡ３−３は、落書き機能、及びシーンチェンジ（フェードイン、フェードアウト、ワイプなど）、音声特殊効果、画像特殊効果（モザイク、セピア処理）などの各種特殊再生効果の設定を行うためのメニューが提示される。
また、本実施の形態のビデオカメラでは、ユーザがＧＵＩに従って録画及び操作を行っていくことで、簡易に映像作品を作成できる機能を有している。スタジオメニューキーＡ３−４は、このような簡易映像作品作成機能に対応したメニューが提示される。
【０１４４】
設定メニューキーＡ３−５は、例えば表示部６Ａとしての画面の明るさ、パネル色の濃淡、ビューファインダーの明るさ、日時設定、静止画設定時間等の各種設定を行うためのメニューが提示される。
アドバンストメニューキーＡ３−６は例えばパーソナルコンピュータなどの外部機器との接続機能やデモモード等に関してのメニューを提示する。
【０１４５】
また、表示領域の下段には、トラック情報表示エリアＡ５が設けられる。このトラック情報表示エリアＡ５には、サムネイル表示エリアＡ２において選択されている（ポインタアイコンｉ１０が配置されている）サムネイル画像が対応するトラックについての情報が表示される。
ここでは、先ずトラックナンバ表示エリアＡ５−１においてトラックナンバが示され、続いて、日時／タイトル表示エリアＡ５−２において、記録日時とそのトラックに対して付されているタイトルが所定時間（例えば数秒）ごとに交互に表示される。時間表示エリアＡ５−３には、そのトラックの総時間が表示される。
また、ショートカットアイコンＡ５−４は、選択されているサムネイル画像が対応するファイルの種別、グループ化設定の有無等に対応して、先に述べた各種アイコン（例えば、動画アイコンｉ１、静止画アイコンｉ２、インタビューファイルアイコンｉ３、グループアイコンｉ４、メモファイルアイコンｉ５）の何れかが表示される。そして、このショートカットアイコンＡ５−４に対してポインティング操作を行うと、トラック情報画面に移行することができるようになっている。
【０１４６】
ここで、メニューキーエリアＡ３に対する操作例として、再生メニューキーＡ３−１の場合を例に挙げて、図１２により説明しておく。
例えば図１２に示すようにして、再生メニューキーＡ３−１に対して例えばペン３２０などによりポインティング操作を行ったとすると、第１ポップアップメニューが表示される。第１ポップアップメニューには、この場合、「←戻る」、「スポーツ分析モード」「プレイモード」「ソート」のメニュー項目が表示されている。この第１ポップアップメニューが表示されている状態で、例えばジョグダイヤル３０３を回転操作（或いはペン等による画面に対するドラッグ操作などとしてもよい）すると、その回転方向に応じて、選択される項目が移動していくようにされる。そして、例えば図のようにして、「プレイモード」を選択して、ジョグダイヤル３０３を押圧操作する（或いはペンによる一定時間以上のポインティング操作などとしてもよい）と第２ポップアップメニューが表示される。
【０１４７】
ここで、第２ポップアップメニューには、「ノーマル」「ディスクリピート」「シャッフル」「イントロスキャン」の４つの項目が表示されている。そして、ユーザは、この第２ポップアップメニュー上で、上記した第１ポップアップメニューに対する操作と同様の操作を行うことで、これらの項目のうちから所望の項目を選択、決定することができる。このようにして設定されたプレイモードは、例えば図１１に示した再生モード表示エリアの表示内容に反映される。
【０１４８】
９．本実施の形態のトリミング編集
本実施の形態のビデオカメラでは、先に図１１に示した操作画面に対するＧＵＩ操作によって、既にディスクに記録されている所定単位の動的データ（動画像データ）とされるファイル（トラック）から、その中間部分のデータを抜き出すトリミング編集を行うことが可能とされる。
そこで、以下、本実施の形態としてのトリミング編集について説明することとする。
なお、これまでもビデオカメラにおいてトリミング編集を行うことが可能とされていることから、本実施の形態としてのトリミング編集を「自動トリミング編集」と表記することとし、従来のトリミング編集とは区別することとする。
【０１４９】
９−１．トリミング編集操作
先ず、本実施の形態としての自動トリミング編集のための操作手順について説明するが、上述したように、これまでもビデオカメラにおいてトリミング編集を行うことが可能とされることから、本実施の形態としての自動トリミング編集の操作手順を説明する前に、従来のトリミング編集の操作手順について簡単に説明しておく。
なお、以下に説明する従来のトリミング編集の操作手順は、例えば本実施の形態のビデオカメラに対して、従来のトリミング編集機能が設けられているものとして説明する。従って、ここで説明する従来のトリミング編集は、表示パネル６７に表示される操作画面や各種操作部７の操作キーに基づいて行われるものとする。
【０１５０】
先ず、本実施の形態のビデオカメラにおいて、従来のトリミング編集を行う際には、例えば図１１に示した操作画面上に表示されている編集メニューキーＡ３−２のポインティング操作を行い、編集のための各種メニュー項目を配列した第１ポップアップメニューを表示させる。そして、この第１ポップアップメニュー内のメニュー項目（例えば「トリミング」の項目）を選択する操作を行うことで、トリミングのためのトリミングモードに移行させる。
【０１５１】
トリミングモードに入ると、表示パネル６７は、これまでの操作画面表示から、サムネイル画像が複数表示されるトラック選択画面に移行する。そして、ユーザはこのようなトラック選択画面から例えばポインティング操作などによって、トリミングを行いたいトラック（ファイル）を選択して、表示パネル６７に選択したトラックを再生表示させるようにする。
このようにして選択トラックが再生表示されている時は、ユーザは所定のキー操作等により、トリミングしたい画像の始点と終点を指定することができるものとされる。
そして、ここでユーザが選択トラックの再生表示を見ながらトリミングしたい画像の始点と終点において所定の操作キーの操作を行うようにする。
これにより、選択したトラックの画像データからユーザが指定した２点（始点，終点）間の画像データを抜き出すトリミング編集が行われるものとされていた。
【０１５２】
次に、本実施の形態としてのトリミング編集のための操作手順について、図１３、図１４を参照しながら説明を行っていく。
本実施の形態としての自動トリミング編集を行う場合においても、操作画面上に表示されている編集メニューキーＡ３−２に対してポインティング操作を行う。すると、図１３に示すように、編集のための各種メニュー項目を配列した第１ポップアップメニューが表示される。そして、この第１ポップアップメニュー内の「自動トリミング」のメニュー項目を選択決定すると、トラック（ファイル）の自動トリミングモードに入ることになる。
【０１５３】
自動トリミングモードに入ると、表示パネル６７は、これまでの操作画面表示から、先ず、図１４（ａ）に示すトラック選択画面に移行する。このトラック選択画面では、ファイルとしてのトラックのサムネイル画像ＳＮが複数表示される。また、サムネイル画像ＳＮを表示させているサムネイル表示領域は、スクロールバーＡ４に対する操作を行うことで、例えば上下方向に移動させることが可能とされる。そして、ユーザは例えばポインティング操作などによって、トリミングを行いたいファイルを選択するものである。なお、画面右下に表示される「中止」ボタンＢＴ１の操作を行えば自動トリミングモードを抜けて操作画面に戻ることができる。
【０１５４】
上記図１４（ａ）に示したトラック選択画面に対する操作によって、自動トリミングを行うべきファイルの選択決定が行われると、続いては、図１４（ｂ）に示す選択トラック再生画面に移行する。
この選択トラック再生画面では、トリミング対象として選択されたファイルが繰り返し再生表示される。ユーザは、この再生表示される画像を見ながら、トリミングしたい画像のほぼ中心位置のタイミングで、例えば画面右下に表示される「一時停止」ボタンＢＴ２を操作して一時停止のための操作を行う。なお、「中止」ボタンＢＴ１を操作すれば、例えば１段階前の図１４（ａ）に示すトラック選択画面に戻ることができる。
【０１５５】
上記「一時停止」ボタンＢＴ２により一時停止操作が行われると、表示パネル６７の表示画面は、図１４（ｃ）に示す一時停止画面となる。この一時停止画面は、画像位置が適切であるかどうかをユーザが確認するための画面であると共に、ユーザが画像位置の微調整を行うための画面でもある。
ここで、例えば一時停止画面の画像位置が適切でない場合には、例えばビデオカメラ本体２００に設けられているジョグダイヤル３０３を操作して一時停止画面をコマ送りすることで、適正な画像位置となるように微調整を行うことが可能とされる。
そして、例えば一時停止画面が適切な画像位置、つまりトリミングしたい画像のほぼ中心位置（以下、「トリミング基準画像位置」ともいう）となったら、例えば画面右下に表示される「実行」ボタンＢＴ５の操作を行うようにする。
これにより、一時停止画面として表示された画像（トリミング基準画像）を含んでトリミングされたトラックが形成される。つまり、本実施の形態の自動トリミング編集が実行されることになる。
【０１５６】
上記したような自動トリミング編集により形成されるトラックは、ユーザが指定したトリミング基準画像を含み、且つ、予め設定されているトリミング時間分の画像データから形成される。
【０１５７】
このようなトリミング時間は、ユーザが任意に設定可能とされる。
トリミング時間は、例えば図１４（ｂ）に示す選択トラック再生画面において、ユーザが「詳細」ボタンＢＴ３を操作することで変更できるものとされる。
ここで、例えばユーザが「詳細」ボタンＢＴ３を操作すると、図１４（ｄ）に示すトリミング時間設定画面に移行する。
この図１４（ｄ）に示すトリミング時間設定画面は、図１４（ｂ）に示した選択トラック再生画面上に、トリミング基準画像位置より前のトリミング時間と、その後ろのトリミング時間の設定を行うための設定画面が重畳されて表示される。
この図１４（ｄ）には、トリミング時間として予め設定されるデフォルト時間が示されており、この場合のトリミング時間は、トリミング基準画像位置の前２秒と、後ろ２秒と設定されていることが示されている。
従って、この場合には、トリミング編集後のファイルは、トリミング基準画像位置の前後２秒分の画像データ、即ちトリミングしたい画像を中心として計４秒分の画像データによって形成されることになる。
【０１５８】
ここで、例えばユーザがトリミング設定時間を変更したい場合には、「▲」ボタンＢＴ６、「▼」ボタンＢＴ７を操作すれば良い。そして、トリミング時間の設定変更後は、例えば画面右下に表示される「決定」ボタンＢＴ４の操作を行うことで、トリミング時間が新たな設定時間に設定されて、図１４（ｂ）に示す選択トラック再生画面に戻ることになる。
【０１５９】
以降は、上述したように、図１４（ｂ）に示した選択トラック再生画面の画像を見ながら、トリミングしたい画像位置のタイミングで、「一時停止」ボタンＢＴ２を操作するなどして、図１４（ｃ）に示した一時停止画面を適切な画像位置（トリミング基準画像位置）として面右下に表示される「実行」ボタンＢＴ５の操作を行うようにする。これにより、ユーザがトリミング設定画面において設定したトリミング設定時間に対応したトラックを形成することができる。
【０１６０】
このように、本実施の形態の自動トリミング編集は、従来のトリミング編集のようにトリミングしたい画像の始点と終点の２点を指定する必要が無く、トリミングしたい画像の中心位置（トリミング基準画像位置）を指定するという簡単な操作で、選択したトラックの中間部分のデータを抜き出すというトリミング編集を容易に行うことが可能になる。
そして、この場合は、トリミング編集後のトラックの再生時間がトリミング設定時間に対応したものとなる。このため、例えば１つのディスクに、複数のプレーヤのゴルフスイングなどの動画像を録画したトラックが存在し、これらのトラックから各プレーヤのショット（インパクト）画像だけをトリミング編集した場合は、トリミング編集後の各トラックの再生時間が同一となる。
つまり、従来のトリミング編集作業では困難であったトリミング編集後の新たなトラックの録画時間を同一とすることができるため、トリミング編集後のトラックを連続的に再生した時に非常に見易いものとすることができる。
【０１６１】
９−２．トラック管理処理
上記したような本実施の形態の自動トリミングによって形成されるトラックの構造として次のようになる。
先ず、ディスクに記録されているトラックから自動トリミングを行うべきトラックとして、図１５（ａ）に示されているトラック＃Ｎが選択されたとする。
この場合、このトラック＃Ｎは、例えば図のように、開始アドレスA1、終端アドレスA7とされており、開始アドレスA1から再生が開始される。
トラック＃Ｎが再生されている時に、上述したように「一時停止」ボタンＢＴ２を操作という操作画面に対する操作によって、トリミング基準点（トリミング基準画像位置）ＴＣを指定するものとされる。この図にあっては、データの再生時間的に開始アドレスA1より後ろとされるアドレスA4に対応するデータ位置にてトリミング基準点ＴＣの指定が行われている。
【０１６２】
このようにしてトリミング基準点ＴＣが指定された後、例えば図１４（ｃ）に示した「実行」ボタンＢＴ５の操作が行われると、このトリミング基準点ＴＣのアドレスA4からトリミング設定時間に対応した新たな開始アドレスと終端アドレスを求めるようにされる。
このようなトラック＃Ｎの新たな開始アドレス、及び終端アドレスは、トリミング基準点ＴＣのアドレスA4と、データ書き込みの最小単位であるクラスタ単位、及びデータ読み出しの最小単位であるセクタあたりの再生時間情報等に基づいて容易に求めることが可能とされる。
ここで、トリミング基準点ＴＣより前のトリミング設定時間をＴ１、トリミング基準点ＴＣより後ろのトリミング設定時間をＴ２とすると、図１５（ｂ）に示すように、新たに形成される新規トラック＃Ｎの開始アドレスは、アドレスA1からA3に変更設定される。また、終端アドレスは、アドレスA7からA5に変更設定されるように管理情報についての書き換え（更新）が行われる。
【０１６３】
管理情報についての書き換え（更新）は、例えば自動トリミング編集前の元のトラックの管理情報を自動トリミング編集後の新たなトラックの管理情報に更新（上書き）する、或いは編集後の新たなトラックの管理情報を追加する等の書き換えが行われるものとされる。
【０１６４】
ここで、自動トリミング編集前の元のトラックの管理情報を、自動トリミング編集後の新たなトラックの管理情報として更新（上書き）すると、元のトラックデータのアドレスA3より前のトラックであったアドレスA1−A2のデータ区間と、アドレスA5より後ろのトラックデータであったアドレスA6−A7のデータ区間は空きエリアとなるように管理情報上で管理が行われるものとなる。
つまり、この場合は、アドレスA1−A2のデータ区間のデータとアドレスA6−A7のデータ区間のデータに対応する所定時間のデータが、トラックデータから削除されたものとして扱われるものとなる。従って、この場合はトラックが記録されているディスクの有効的に利用することが可能になる。
【０１６５】
これに対して、自動トリミング編集後の新たなトラックの管理情報を新たなトラックの管理情報として追加した場合は、例えば１つのトラックから複数の画像をトリミングする場合等において有効なものとなる。
例えば１つのトラックに複数のプレーヤのゴルフスイングなどの画像が記録され、このトラックから各プレーヤがとのスイング画像をトリミング編集する場合などにおいては、元のトラックの管理情報を新たなトラックの管理情報として更新（上書き）すると、以降は、元のトラックに記録されている他のプレーヤの画像についてトリミング編集を行うことができなくなる。
そこで、このような場合には、自動トリミング編集後の新たなトラックの管理情報を追加し、元のトラックの管理情報を残しておくことで、１つのトラックから複数の画像のトリミング編集を行うということが可能になる。
つまり、アドレスA1−A2のデータ区間のデータとアドレスA6−A7のデータ区間のデータに対応する所定時間のデータを削除した新たなトラックの管理情報を追加しすることで、元のトラックの管理情報から複数の画像のトリミング編集を行うようにしている。
【０１６６】
９−３．サムネイル画像変更処理
ところで、先に説明したように、本実施の形態では、ディスクに記録されているトラック（ファイル）を視覚的に認識可能とするために、トラックごとに対応付けしたサムネイル画像を有するものとされる。このようなサムネイル画像は、特段の指定が無ければ、例えばトラック中における先頭のフレーム（又はフィールド）画像データが指定されているものとされる。
このため、従来のトリミング編集では、トリミング編集後の新たなトラックの内容とサムネイル画像とが一致しないものとなり、別途サムネイル画像の変更するための編集作業を行う必要がある。
【０１６７】
そこで、本実施の形態の自動トリミング編集では、上述したようなトリミング編集と共に、サムネイル画像の変更処理を行うようにしている。
そして、この場合のサムネイル画像の生成元として規定される画像データは、上記図１４（ｃ）に示した「実行」ボタンＢＴ５を操作した際の一時停止画面とされるトリミング基準画像とした。
つまり、この場合は、トリミング基準画像に基づいて得られるサムネイル画像データについてのインデックス情報を生成し、このインデックス情報と共にこのサムネイル画像データをディスクのサムネイルトラックに記録することで、自動トリミング編集後の新たなファイルに対応したサムネイル画像データを得るようにしている。
【０１６８】
このようにすれば、トリミング編集作業を行った後に、ユーザがサムネイル画像を変更するための編集作業を行う必要がなく、これまでのようにトリミング編集とサムネイル編集をそれぞれ別に行う場合に比べて編集時間を短縮することが可能になる。
また、トリミング編集後のトラックのサムネイル画像は、ユーザが指定したトリミング基準画像に変更されるため、このようなサムネイル画像を一覧表示することで、ユーザはディスクのトラック（ファイル）内容を容易に認識することができる。
【０１６９】
なお、本実施の形態の自動トリミング編集では、トリミング編集処理と共に、サムネイル画像の変更編集も行うものとして説明したが、これはあくまでも一例であり、このようなサムネイル画像の変更編集は選択可能な構成とすることも可能とされる。
【０１７０】
また、これまで説明してきた本実施の形態の自動トリミング編集は、動画／音声が記録再生されるカメラモードについて編集を行う場合を例に挙げたが、本発明の自動トリミング編集としては、音声のみのオーディオトラックを編集対象とする場合や、音声主体で静止画が付随するインタビューモードトラックを編集対象とする場合にも適用が可能とされる。
【０１７１】
９−４．処理動作
続いて、これまでの説明を踏まえて、本実施の形態の自動トリミング編集を行うための処理動作について図１６のフローチャートを参照して説明する。
なお、この処理は、ビデオコントローラ３８がマスターコントローラとして機能したうえで、データ処理／システムコントロール回路３１、ドライバコントローラ４６等が適宜制御処理を実行することで実現されるものである。
【０１７２】
本実施の形態の自動トリミング編集は、例えばユーザが図１３に示した操作画面上に表示されている編集メニューキーＡ３−２に対してポインティング操作を行い、編集のための各種メニュー項目を配列した第１ポップアップメニューが表示したうえで、この第１ポップアップメニュー内の「自動トリミング」のメニュー項目を選択する操作が行われることで実行される。
ここで、例えばユーザによって第１ポップアップメニュー内の「自動トリミング」のメニュー項目が選択されると、ビデオコントローラ３８は、ステップＳ１０１においてトラック選択画面を表示させるための制御を実行する。これにより、表示パネル６７には、図１４（ａ）に示したようなトラック選択画面が表示されることになる。
【０１７３】
そして次のステップＳ１０２においては、図１４（ａ）に示したトラック選択画面において、自動トリミングすべきトラックの選択操作が行われたか否かの判別を行い、トラックの選択操作が行われた時はステップＳ１０３に進んで、選択されたトラックの再生を行うための制御処理を実行するようにされる。即ち、図１４（ｂ）に示した選択トラック再生画面を表示するための表示制御を実行する。また、この時には、図１４（ｂ）に示したように、再生画面内の所要位置に対して、「詳細」ボタンＢＴ３、「中止」ボタンＢＴ１、「一時停止」ボタンＢＴ２を表示させることも行われる。
【０１７４】
続くステップＳ１０４においては、図１４（ｂ）に示した「詳細」ボタンＢＴ３の操作が行われたか否かの判別を行い、「詳細」ボタンＢＴ３が操作されたと判別した時は、ステップＳ１０５に進んで、図１４（ｄ）に示したトリミング時間設定画面を重畳表示するための表示制御を実行する。またこの時には、再生画面内の所要位置に対して、「決定」ボタンＢＴ４、「中止」ボタンＢＴ１を表示させることも行われる。
【０１７５】
次のステップＳ１０６においては、この図１４（ｄ）に示した「決定」ボタンＢＴ４の操作が行われたか否かの判別を行い、「決定」ボタンＢＴ４が操作されたと判別した時はステップＳ１０７に進む。
ステップＳ１０７においては、図１４（ｄ）に示したトリミング時間設定画面において設定されたトリミング基準点ＴＣより前のトリミング時間Ｔ１と、トリミング基準画像より後ろトリミング時間Ｔ２の設定を行うと共に、選択トラック再生画面上に重畳表示していたトリミング時間設定画面を消去した後、ステップＳ１０８に進む。
なお、ステップＳ１０４において、「詳細」ボタンＢＴ３の操作について否定結果が得られた時は、上記ステップＳ１０５〜Ｓ１０７の処理を行うことなく、ステップＳ１０８に進むことになる。
【０１７６】
ステップＳ１０８においては、図１４（ｂ）に示した「一時停止」ボタンＢＴ２の操作が行われたか否かの判別を行い、「一時停止」ボタンＢＴ２が操作されたと判別した時は、ステップＳ１０９に進み、ステップＳ１０９において、トラック再生を一時停止して、図１４（ｃ）に示した一時停止画面を表示させるための表示制御処理を実行する。
つまり、一時停止操作が行われた時のフレーム画像データを表示パネル６７の表示領域に表示出力するための表示制御を実行する。またこの際には、一時停止画面内の所要位置に対して、「実行」ボタンＢＴ５、「中止」ボタンＢＴ１を表示させることも行われる。
そして、続くステップＳ１１０において、ビデオコントローラ３８は、この一時停止された静止画像が自動トリミングを行う際のトリミング基準画像位置（トリミング基準点ＴＣ）として決定するようにされる。
またこの時、ビデオカメラ本体２００に設けられているジョグダイヤル３０３を操作されるなどして一時停止画面がコマ送りされた時は、そのコマ送りされた一時停止画面の静止画像を自動トリミングを行う際のトリミング基準画像位置（トリミング基準点ＴＣ）として決定するようにされる。
【０１７７】
続くステップＳ１１１では、図１４（ｃ）に示した「実行」ボタンＢＴ５の操作が行われたか否かの判別を行い、「実行」ボタンＢＴ５が操作されたと判別した時は、ステップＳ１１２に進み、トリミング基準点ＴＣのアドレスと、トリミング時間Ｔ１，Ｔ２、及びクラスタ単位、及びセクタ単位あたりの再生時間情報等に基づいて、新たなトラックの開始アドレスと終端アドレスを求めるようにされる。
そして、続くステップＳ１１３においては、トリミング基準点ＴＣに対応したフレーム画像データから得られるサムネイル画像データについてのインデックス情報を生成するようにされる。
【０１７８】
そしてステップＳ１１４において、ステップＳ１１２において求めた新たなトラックの開始アドレスと終端アドレス、及び上記ステップＳ１１３において生成したインデックス情報によって管理情報の更新を行うようにされる。なお、この時には、トラックのトリミングが行われたことを示す表示などを表示パネル６７に対して行うようにしても良い。
【０１７９】
そして、このようなステップＳ１１４における処理完了した後、ステップＳ１１５に進んで、自動トリミング編集を継続するか否かの判別を行う。
ここで肯定結果が得られた時は、ステップＳ１０１の処理に戻ることで、これまで説明した自動トリミング編集処理を引き続き行うようにされる。
これに対して否定結果が得られた時は、本実施の形態としての自動トリミング編集処理を終了することになる。
【０１８０】
１０．一括トリミング編集
また、これまで説明した本実施の形態の自動トリミング編集では、例えば１つのディスクに多数のトラックが形成されており、その全てのトラックがトリミング編集の対象トラックである場合などでは、その１つ１つのトラックに対してトリミング編集を行う必要がある。
具体的には、例えば１つのディスクに各プレーヤのゴルフスイング等の画像を記録した多数のトラックが形成されており、各トラックをトリミング編集して、各プレーヤのインパクト画像をトリミングするという場合では、その１つ１つのトラックに対してトリミング編集を行う必要がある。
そこで、本実施の形態では、このような場合のトリミング編集を一括して行うことができる一括トリミング編集が可能とされる。
図１７は、本実施の形態としての一括トリミング編集の一例を示す。
ここで、図１７（ａ）に示すようにして、ディスクに記録されているトラックから自動トリミングを行うべきトラックとして、図１７（ａ）に示されているトラック＃１，＃２を選択したとする。
この場合、このトラック＃１，＃２を選択した状態のもとで、所要の操作により一括トリミング編集の操作が決定された時は、トラック＃１については、その開始アドレスA11と終点アドレスA15からトラック＃１の時間的中心位置のアドレスA13を求めるようにする。またトラック＃２については、その開始アドレスA21と終点アドレスA25からトラック＃２の時間的中心位置のアドレスA23を求めるようにする。
【０１８１】
そして、これらのトラック＃１，＃２の時間的中心位置のアドレスをトリミング基準点ＴＣ１，ＴＣ２と認識し、このトリミング基準点ＴＣ１，ＴＣ２から、設定されているトリミング設定時間Ｔ１，Ｔ２に対応するアドレスを各トラックの開始アドレスと終端アドレスとなるように変更設定するようにされる。
【０１８２】
即ち、図１７（ｂ）に示すように、トラック＃１の開始アドレスはアドレスA11からA12に変更設定され、その終端アドレスはアドレスA15からA14に変更設定されるように管理情報についての書き換えを行うようにしている。
同様に、トラック＃２の開始アドレスはアドレスA21からA22に変更設定され、その終端アドレスはアドレスA25からA24に変更設定されるように管理情報についての書き換え（上書き、または追加）を行うようにしている。
【０１８３】
従って、このような一括トリミング編集によれば、例えば１つのディスクに多数のトラックが形成されており、その中の複数のトラックがトリミング編集の対象トラックである場合などにおいても、１つ１つのトラックごとにトリミング編集を行うという煩わしい操作を行う必要が無いものとすることができる。
但し、この場合のトリミング基準点ＴＣ１，ＴＣ２（トリミング基準画像位置）は、トラックの時間的中央に位置する画像となるため、各トラックの録画の仕方によっては、トリミング基準点ＴＣ１，ＴＣ２の画像が目的の画像と一致するとは限らない。例えば各トラックにゴルフスイングの画像が記憶されている場合には、トリミング基準点ＴＣ１，ＴＣ２の画像が必ずしもインパクトの瞬間の画像になるとは限らない。
そこで、このような一括トリミング編集を行う場合には、予めトリミング設定時間Ｔ１，Ｔ２を或る程度長くしておくと、トリミング編集後のトラックに確実に目的の画像が含まれたものとすることができる。
【０１８４】
また、このような一括トリミング編集作業の際にも、認識されたトリミング基準点ＴＣ１，ＴＣ２の画像を、トリミング編集後の新たなトラックついてのサムネイル画像となるように、管理領域の情報を合わせて更新することが可能であることは言うまでもない。
【０１８５】
なお、本実施の形態のビデオカメラでは、これまで説明した自動トリミング編集や一括トリミング編集の機能をトリミング編集機能として単独で設けるようにしてもよいが、これらの自動トリミング編集と一括トリミング編集をトリミング編集機能として設ける、或いはこれらの自動トリミング編集と一括トリミング編集にと共に、従来のトリミング編集機能とを合わせて設けることも、もちろん可能である。
【０１８６】
また、本発明は上記した構成に限定されるものではなく、各種変更が可能とされる。
例えば、動画像データの圧縮フォーマットとしては、ＭＰＥＧ２を含むＭＰＥＧ方式に限定されるものではなく、他の方式の圧縮技術が採用されても構わないものである。また、記録フォーマットとしても実施の形態として示した例に限定されるものではない。また、本発明としては、動画像データだけではなく、例えばオーディオデータなどのトリミング編集を行う場合にも適用できるものである。
さらには、例えば本発明が対応する記憶媒体としては、ＭＤ以外の他の種類のディスクメディアやフラッシュメモリなどのメモリ素子による記憶媒体に対応したビデオカメラ装置にも適用できるものである。さらには、テープメディアに対応したビデオカメラ装置にも適用は可能とされる。
また、本発明としてはビデオ機器だけではなく、所定種類の記憶媒体に対応して記録再生が可能な他の各種オーディオ・ビデオ機器にも適用が可能である。
【０１８７】
【発明の効果】
以上説明したように本発明によれば、記憶媒体の記憶されるトラックについてのトリミング編集を行う際には、トリミングする動的データの中間部を指示手段により指示することで、制御手段によって、この指示手段によって指示されたトラックの中間部を含み、且つ、このトラックの先頭部と後端部の所定時間のデータが除かれた新たなトラックを管理するように管理領域の管理データを更新することが可能になる。従って、本発明によれば、従来のようにトリミングする動的データの２点（始点、終点）を指定する必要が無く、動的データの中間部を指定するという簡単な操作でトリミング編集を行うことができるようになる。
【０１８８】
また時間設定手段により第１の時間と第２の時間を設定可能とし、この第１及び第２の時間に基づいて、トリミング編集後の新たなトラックの時間を設定できるようにしているため、トラックの内容に合わせたトリミング編集を行うことが可能になる。
また、トリミング編集後のトラックの時間を同一とすることができるため、これらのトラックを連続再生した場合などにおいて非常に見易いものとなる。
【０１８９】
さらに、制御手段により、トラックを管理する管理データが新たなトラックを管理するように管理データの更新を行うようにすれば、記憶媒体の記録領域を有効的に利用することができる。
また、制御手段により新たなトラックを管理する管理データを新たに管理領域に記憶させるようにすれば、例えば１つのトラックから複数の動的データのトリミング編集を行うといったことができるようになる。
【０１９０】
さらにまた、制御手段によりトリミング編集を実行した際に、トラックの中間部に対応する静止画像を新たなトラックに対応する静止画像として管理するように制御することで、トリミング編集作業後に、静止画像を変更するための編集作業を別途行う必要がなく、編集時間の短縮を図ることが可能になる。
また、編集後の静止画像は、ユーザが指定した画像であることから、ユーザはこのような静止画像から記憶媒体に記憶されているトラックの内容を視覚的に認識することが可能になる。
【０１９１】
また本発明は、記憶媒体の記憶されるトラックについてのトリミング編集を行う際には、トリミングしたいトラックを指示手段により指示するだけで、指示手段によって指示されたトラックの中央部を含み、且つ、トラックの先頭部と後端部の所定時間のデータが除かれた新たなトラックを形成することも可能になる。これにより、例えば一つの記憶媒体に同一種類の画像を記憶した複数のトラックがある際に、これらの複数のトラックに対してトリミング編集を行う場合などは、極めて簡単な操作でトリミング編集を行うことが可能になる。
【０１９２】
さらに本発明の編集装置としての機能を例えばビデオカメラ等に設けるようにすれば、例えばパーソナルコンピュータ等の他の編集装置において編集を行う必要がないため、ユーザに対して利便性の良いビデオカメラを提供することができる。
【図面の簡単な説明】
【図１】本発明の実施の形態のビデオカメラに対応するディスクのトラック構造を示す説明図である。
【図２】実施の形態のビデオカメラに対応するディスクのトラック部分を拡大して示す説明図である。
【図３】実施の形態のビデオカメラに対応するディスクの仕様を示す説明図である。
【図４】実施の形態のビデオカメラの内部構成のブロック図である。
【図５】実施の形態のビデオカメラのメディアドライブ部の内部構成のブロック図である。
【図６】実施の形態のビデオカメラの側面図及び平面図である。
【図７】実施の形態のビデオカメラの正面図及び背面図である。
【図８】可動パネル部の動きを示す斜視図である。
【図９】ディスクにおけるファイル／フォルダ管理例を示す説明図である。
【図１０】実施の形態に対応するディスク内のデータ構造例を示す概念図である。
【図１１】本実施の形態のビデオカメラにおける操作画面（サムネイル表示）の表示形態例を示す説明図である。
【図１２】再生メニューキーに対する操作例を示す説明図である。
【図１３】本実施の形態とされる自動トリミングモードとするための操作手順を表示パネル部の表示形態により示す説明図である。
【図１４】本実施の形態の自動トリミングモードのもとでの操作手順を表示パネル部の表示形態により示す説明図である。
【図１５】本実施の形態の自動トリミングモードの説明図である。
【図１６】本実施の形態とされる自動トリミング編集処理を示すフローチャートである。
【図１７】本実施の形態とされる一括トリミングモードの説明図である。
【符号の説明】
１ レンズブロック、２ カメラブロック、３ ビデオ信号処理部、４ メディアドライブ部、５ デッキ部、６ 表示／画像／音声入出力部、６Ａ 表示部、６Ｂ タッチパネル、７ 操作部、８ 外部インターフェイス、９ 電源ブロック、１１ 光学系、１２ モータ部、２２ サンプルホールド／ＡＧＣ回路、２３ Ａ／Ｄコンバータ、２４ タイミングジェネレータ、２５ カメラコントローラ、３１ データ処理／システムコントロール回路、３２ バッファメモリ、３３ ビデオ信号処理回路、３４ メモリ、３５ 動き検出回路、３６ メモリ、３７ 音声圧縮エンコーダ／デコーダ、３８ ビデオコントローラ、４１ ＭＤ−ＤＡＴＡ２エンコーダ／デコーダ、４２ バッファメモリ、４３ 二値化回路、４４ ＲＦ信号処理回路、４５ サーボ回路、４６ ドライバコントローラ、５１ ディスク、５２ スピンドルモータ、５３ 光学ヘッド、５４ 磁気ヘッド、５５ スレッドモータ、６１ ビデオＤ／Ａコンバータ、６２ 表示コントローラ、６３ コンポジット信号処理回路、６４ Ａ／Ｄコンバータ、６５Ｄ／Ａコンバータ、６６ アンプ、６７ 表示パネル、１０１ ＲＦアンプ、１０３ ＡＧＣ／クランプ回路、１０４ イコライザ／ＰＬＬ回路、１０５ ビタビデコーダ、１０６ ＲＬＬ（１，７）復調回路、１０７ マトリクスアンプ、１０８ ＡＤＩＰバンドパスフィルタ、１０９ Ａ／Ｂトラック検出回路、１１０ ＡＤＩＰデコーダ、１１１ ＣＬＶプロセッサ、１１２ サーボプロセッサ、１１３ サーボドライバ、１１４ データバス、１１５ スクランブル／ＥＤＣエンコード回路、１１６ ＥＣＣ処理回路、１１７ デスクランブル／ＥＤＣデコード回路、１１８ ＲＬＬ（１，７）変調回路、１１９ 磁気ヘッド駆動回路、１２０ レーザドライバ、１２１ 転送クロック発生回路、２０１ カメラレンズ、２０２マイクロフォン、２０３ 可動パネル部、２０４ ビューファインダ、２０５ スピーカ、２１０ ディスク挿脱部、３００ メインダイヤル、３０１ レリーズキー、３０２ 削除キー、３０３ ジョグダイヤル、３０４フォトキー、３０５ ズームキー、３０６ フォーカスキー、３０７ 逆光補正キー、３０８ 再生／ポーズキー、３０９ 停止キー、３１０ スロー再生キー、３１１，３１２ サーチキー、３１３ 録音キー、３１４ 画面表示キー、３１５，３１６ 音量キー、３２０ ペン、４００ サーバ、Ａ−１ 情報表示エリア、Ａ−２ サムネイル表示エリア、Ａ−３ メニューキーエリア、Ａ−４スクロールバー、Ａ５ トラック情報表示エリア、ｉ１〜ｉ１０，ｉ２０〜ｉ２１ （サムネイル画像上に表示される）アイコン、Ｌｄ ランド、ＮＷＧ ノンウォブルドグルーブ、ＷＧ ウォブルドグルーブ、Ｔｒ・Ａ，Ｔｒ・Ｂ トラック[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an editing apparatus capable of easily performing trimming editing, for example, as editing of data recorded in a recording medium in a track unit.
[0002]
[Prior art]
Currently, portable video cameras in which an imaging device such as a camera and a video deck capable of recording and reproducing video and audio are integrated are widely used. As a general usage mode, a user performs recording while photographing a favorite subject. The recorded image / sound is reproduced and displayed on the display unit of the video deck or an external monitor device for viewing.
[0003]
[Problems to be solved by the invention]
By the way, as a user of a video camera, it is naturally considered that there is a demand not only to record and record but also to finish the work with higher value by editing to some extent.
For this reason, some conventional video cameras are provided with various editing functions. One example of such editing is trimming editing in which only intermediate data is extracted (trimmed) from data of a recording file that records a moving image, and data before and after the data is deleted.
[0004]
However, in order to perform trimming editing of data in a conventional video camera, first, the user selects a recording file to be edited, plays back the selected recording file, and then views the trimming range while viewing this playback image. It is necessary to specify two points, the start point and end point of the. For this reason, it cannot be denied that the trimming editing operation is a troublesome operation that takes time and effort.
[0005]
For example, when moving images such as golf swings of a plurality of players are recorded on one storage medium, only shot (impact) images of the respective players may be trimmed and edited from these recorded files.
In such a case, it is desirable to make the recording time of the file after trimming editing constant so that it is easy to see when a plurality of files after trimming editing are reproduced continuously.
However, in the actual trimming editing work, the user designates two points (start point and end point) while viewing the reproduced image, so it is difficult to make the recording times of the files after trimming editing the same.
[0006]
Furthermore, some of the video cameras described above can visually grasp the contents of a file by displaying a representative image (still image) of each file recorded in a storage medium.
Such a representative image is, for example, a head frame (or field) image of a file in which a moving image is recorded.
For this reason, when trimming editing is performed, the image data of the representative image may be excluded from the file after trimming editing.
In such a case, the contents of the recorded data after trimming editing do not correspond to the representative image of the recorded data. Therefore, editing for changing the representative image must be performed separately from the trimming editing. It was.
[0007]
[Means for Solving the Problems]
In view of the above problems, an object of the present invention is to provide an editing apparatus that can easily perform trimming editing of data recorded on a storage medium, for example.
[0008]
For this reason, the editing apparatus of the present invention manages data stored in a management area from a storage medium that stores a data area and a management area that manages dynamic data of a predetermined unit stored in the data area as a track. Data corresponding to a predetermined time at the head and rear ends of the track, including playback means for playing back the track in accordance with the command, instruction means for indicating the middle part of the track, and intermediate part of the track designated by the instruction means And a control means for updating management data in the management area so as to manage a new track from which is removed.
[0009]
In the above configuration, when performing trim editing on a track stored in the storage medium, the intermediate unit of the dynamic data to be trimmed is instructed by the instructing unit, and the track instructed by the instructing unit by the control unit. The management data in the management area can be updated so as to manage a new track that includes the intermediate portion of the track and from which the data for a predetermined time at the head and rear ends of the track is removed.
[0010]
Further, the editing apparatus of the present invention responds to management data stored in the management area from a storage medium that stores a data area and a management area that manages a predetermined unit of dynamic data stored in the data area as a track. Playback means for playing back the track, at least instruction means for pointing to one of the tracks, and a central portion of the track indicated by the instruction means, and for a predetermined period of time at the head and rear ends of the track. Control means for updating management data in the management area is provided so as to manage a new track from which data has been removed.
[0011]
In the above configuration, when performing trim editing for a track stored in the storage medium, the instruction means designates one track to be trimmed, and includes the central portion of the track designated by the instruction means, and The management data in the management area can be updated so as to manage a new track from which the data for a predetermined time at the head and rear ends of the track is removed.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described.
The recording / reproducing apparatus of this embodiment is mounted on a portable video camera in which a camera apparatus unit and a recording / reproducing apparatus unit capable of recording / reproducing images (still images or moving images) and audio are integrated. Take the example. In addition, the recording / reproducing apparatus unit mounted on the video camera of the present embodiment is configured to record and reproduce data corresponding to a so-called mini-disc known as a kind of magneto-optical disc.
The description will be given in the following order.
1. Disc format
2. Appearance structure of video camera
3. Internal configuration of the video camera
4). Media drive configuration
5. Example of disk structure corresponding to this embodiment
6). Thumbnail image generation processing
7). script
8). Operation screen display
9. Trimming editing of this embodiment
9-1. Trimming editing operation
9-2. Track management process
9-3. Thumbnail image change processing
9-4. Processing action
10. Batch trim editing
[0013]
1. Disc format
The recording / reproducing apparatus unit mounted on the video camera of this example corresponds to a format called MD data which records / reproduces data corresponding to a mini-disc (magneto-optical disc). As this MD data format, two types of formats called MD-DATA1 and MD-DATA2 have been developed. The video camera of this example is capable of recording at a higher density than MD-DATA1. It is assumed that recording and reproduction are performed in accordance with the format. First, the disk format of MD-DATA2 will be described.
[0014]
1 and 2 conceptually show an example of a track structure of a disk as MD-DATA2. FIGS. 2A and 2B are a cross-sectional view and a plan view, respectively, showing an enlarged portion surrounded by a broken line A in FIG.
As shown in these figures, there are two types of grooves (grooves), a wobbled groove WG provided with wobble (meandering) and a non-wobbled groove NWG provided with no wobble in advance on the disk surface. It is formed. The wobbled groove WG and the non-wobbled groove NWG exist in a double spiral shape on the disk so as to form a land Ld therebetween.
[0015]
In the MD-DATA2 format, the land Ld is used as a recording track (track on which data is recorded). However, since the wobbled groove WG and the non-wobbled groove NWG are formed as described above, the recording is performed. As a track, the two tracks Tr · A, Tr · B are independently formed in a double spiral shape.
The track Tr · A is a track in which the wobbled groove WG is positioned on the outer peripheral side of the disk and the non-wobbled groove NWG is positioned on the inner peripheral side of the disk.
On the other hand, the track Tr · B is a track in which the wobbled groove WG is located on the inner circumference side of the disk and the non-wobbled groove NWG is located on the outer circumference side of the disk.
That is, it can be considered that the wobble is formed only on one side on the outer peripheral side of the disk with respect to the track Tr · A, and the wobble is formed only on one side on the inner peripheral side of the disk with respect to the track Tr · B. .
In this case, the track pitch is the distance between the centers of the adjacent tracks Tr · A and Tr · B, and the track pitch is 0.95 μm as shown in FIG.
[0016]
Here, the wobble formed in the groove as the wobbled groove WG is formed based on a signal in which a physical address on the disk is encoded by FM modulation + biphase modulation. For this reason, it is possible to extract the physical address on the disc by demodulating the reproduction information obtained from the wobbling given to the wobbled groove WG during recording and reproduction.
Further, the address information as the wobbled groove WG is valid for the tracks Tr · A and Tr · B in common. In other words, the track Tr · A located on the inner periphery across the wobbled groove WG and the track Tr · B located on the outer periphery share the address information by wobbling given to the wobbled groove WG. .
Such an addressing method is also called an interlace addressing method. By adopting this interlace addressing method, for example, it is possible to reduce the track pitch while suppressing crosstalk between adjacent wobbles. The method of recording addresses by forming wobbles on the groove is also referred to as the ADIP (Address In Pregroove) method.
[0017]
Further, as described above, it is possible to identify which of the tracks Tr · A and Tr · B sharing the same address information is being traced as follows.
For example, when the 3-beam method is applied and the main beam is tracing the track (land Ld), the remaining two side beams trace the grooves located on both sides of the track being traced by the main beam. It is possible to make it.
[0018]
FIG. 2B shows a state in which the main beam spot SPm is tracing the track Tr · A as a specific example. In this case, of the two side beam spots SPs1 and SPs2, the inner side side beam spot SPs1 traces the non-wobbled groove NWG, and the outer side beam spot SPs2 traces the wobbled groove WG. become.
On the other hand, although not shown, if the main beam spot SPm is tracing the track Tr · B, the side beam spot SPs1 traces the wobbled groove WG and the side beam spot SPs2 is non-wobbled groove. NWG will be traced.
As described above, when the main beam spot SPm traces the track Tr · A and the track Tr · B, the groove to be traced by the side beam spots SPs1, SPs2 is necessarily a wobbled groove. The WG and the non-wobbled groove NWG are interchanged.
[0019]
As a detection signal obtained by the photodetector by reflection of the side beam spots SPs1 and SPs2, different waveforms are obtained depending on which one of the wobbled groove WG and the non-wobbled groove NWG is traced. Based on, for example, it is determined which of the current side beam spots SPs1 and SPs2 is tracing the wobbled groove WG (or the non-wobbled groove NWG), so that the main beam is track Tr · A, Tr · Which of B is traced can be identified.
[0020]
FIG. 3 is a diagram showing main specifications of the MD-DATA2 format having the track structure as described above in comparison with the MD-DATA1 format.
First, the MD-DATA1 format has a track pitch of 1.6 μm and a pit length of 0.59 μm / bit. The laser wavelength λ is 780 nm, and the aperture ratio NA of the optical head is 0.45.
As a recording method, a groove recording method is adopted. That is, the groove is used as a track for recording and reproduction.
As an addressing method, a single spiral groove (track) is formed, and a wobbled groove in which wobbles as address information are formed on both sides of the groove is used.
[0021]
An EFM (8-14 conversion) system is adopted as a recording data modulation system. As an error correction method, ACIRC (Advanced Cross Interleave Reed-Solomon Code) is adopted, and a convolution type is adopted for data interleaving. For this reason, the data redundancy is 46.3%.
[0022]
Further, in the MD-DATA1 format, CLV (Constant Linear Velocity) is adopted as a disk drive system, and the linear velocity of CLV is set to 1.2 m / s.
The standard data rate at the time of recording / playback is 133 kB / s, and the recording capacity is 140 MB.
[0023]
On the other hand, the MD-DATA2 format that can be supported by the video camera of this example is that the track pitch is 0.95 μm and the pit length is 0.39 μm / bit, both of which are shorter than the MD-DATA1 format. I understand. For example, in order to realize the above pit length, the laser spot λ = 650 nm and the aperture ratio NA = 0.52 of the optical head are used to narrow the beam spot diameter at the in-focus position and widen the band as the optical system. .
[0024]
As described with reference to FIGS. 1 and 2, the land recording method is adopted as the recording method, and the interlace addressing method is adopted as the address method. As a recording data modulation method, an RLL (1, 7) method (RLL: Run Length Limited) adapted to high-density recording is adopted, an error correction method is an RS-PC method, and data interleaving is used. Block complete type is adopted. As a result of adopting each of the above methods, the data redundancy can be suppressed to 19.7%.
[0025]
Even in the MD-DATA2 format, CLV is adopted as the disk drive system, but the linear velocity is 2.0 m / s, and the standard data rate at the time of recording and reproduction is 589 kB / s. . As a recording capacity, 650 MB can be obtained, and when compared with the MD-DATA1 format, a recording density of more than four times is realized.
For example, when moving images are recorded in the MD-DATA2 format, when moving image data is compression-encoded by MPEG2, 15 minutes to 17 minutes in time depending on the bit rate of the encoded data. Can be recorded. Further, assuming that only audio signal data is recorded, when audio data is subjected to compression processing by ATRAC (Adaptve Transform Acoustic Coding) 2, recording can be performed for about 10 hours.
[0026]
2. Appearance structure of video camera
Next, an example of the appearance of the video camera of this example will be described.
FIGS. 6A, 6B, 7A, and 7B are a plan view, a side view, a front view, and a rear view, respectively, of the video camera of this example.
As shown in these drawings, a camera lens 201 provided with an imaging lens, a diaphragm, and the like for photographing is provided on the front portion of the main body 200 of the video camera of this example. In addition, a microphone 202 for collecting external sound at the time of shooting is provided below the back surface of the same main body 200. That is, with this video camera, it is possible to record an image photographed by the camera lens 201 and record a stereo sound collected by the microphone 202. Here, it is assumed that a speaker 205 for outputting reproduced sound is also provided at the same position as the microphone 202. In addition, a required message sound such as a beep sound is output from the speaker 205.
[0027]
In addition, a viewfinder 204 is provided on the back side of the main body 200, and an image (also referred to as a through image) captured from the camera lens 201, a character image, and the like are displayed during a recording operation and standby. The user can take a picture while viewing the viewfinder 204.
Further, a portion provided with a main dial 300, a release key 301, and a delete key 302, which will be described later, can be opened and closed as a battery lid portion 206. By opening the battery lid portion 206, a battery (rechargeable battery) is mounted. It is possible to take off.
[0028]
In addition, a movable panel portion 203 is provided on the side surface side of the main body 200. Since the movable panel unit 203 is supported by the movable support unit 208, the movable panel unit 203 is movably attached to the main body 200. The movement of the movable panel unit 203 will be described later.
[0029]
A display panel 67 (display screen) is provided on the back side of the movable panel unit 203. Therefore, as shown in FIG. 6B, when the movable panel unit 203 is in the storage state, the display panel 67 is stored in the main body side.
[0030]
The display panel 67 is a part for displaying and outputting a photographed image and an image reproduced by an internal recording / reproducing device. In addition, a message or the like is displayed using characters or characters for notifying the user of a required message according to the operation of the device. The display device actually employed as the display panel 67 is not particularly limited here, but for example, a liquid crystal display or the like may be used.
In addition, the display panel 67 is provided with a touch panel that recognizes a pressing operation and outputs it as operation information on the back side of the display surface of the liquid crystal display, for example. That is, in the present embodiment, a so-called GUI operation that performs a pressing operation on an image displayed on the display panel 67 is enabled.
Here, the operation on the display panel 67 is configured to detect the position where the pressing force is applied to the touch panel as the coordinate position information, and thus may be operated with a finger or the like. However, considering that the display area of the display panel 67 is limited and the pointing operation may be difficult with a finger, a stick-shaped pen 320 is attached as shown in FIG. Is done. The user can perform a pointing (touch) operation on the display panel 67 using the pen 320 instead of the finger.
[0031]
Further, a part on the main body 200 side in which the movable panel part 203 is accommodated is a disk loading / unloading section 210. In this disk loading / unloading section 210, a disk as a storage medium corresponding to the video camera of this example is inserted. Or it can be drained.
[0032]
Although not shown here, in practice, a video output terminal for outputting a playback image signal or the like to an external video device, or a headphone / output device for outputting a playback audio signal to an external audio device or headphones. Line terminals and the like are provided. In addition, an I / F terminal or the like is also provided corresponding to an interface function for performing data transmission with an external data device.
[0033]
Further, various units for user operation are provided in each part of the main body 200. Hereinafter, each of the main operators will be described.
The main dial 300 is provided on the back side of the main body 200 as shown in FIG. 7B, and serves as an operator for setting on / off of the video camera, recording operation, and reproduction operation. In this case, the rotation operation can be performed.
When the main dial 300 is at the power-off position PS2, the power is off. Then, for example, when the main dial 300 is rotated to the playback / editing position PS1 from this state, the power is turned on, and a mode in which a recorded file can be played back and various editing operations can be performed. Further, if a rotation operation is performed at the camera mode position PS3, a mode (camera mode) is set in which a moving image or a recording file as a still image can be recorded in a power-on state. Further, if the camera mode position PS4 is set, the interview mode is set.
The interview mode is not described in detail here, but as a recording operation, if recording is performed mainly by voice and a release key 301 or a photo key 304 (to be described later) is pressed at an arbitrary time, then at that time In this mode, a captured image is recorded as a still image. In the playback in the interview mode, the recorded file recorded in the interview mode is played back. At this time, for example, the still image is switched and displayed at the timing of recording while reproducing the sound.
[0034]
A release key 301 is provided at the center of the rotating part of the main dial 300.
The release key 301 functions as an operator for starting / ending recording in the camera mode or the interview mode.
[0035]
A jog dial 303 is also provided on the back surface of the main body 200. The jog dial 303 is a disk-like operation element, is attached so as to be rotatable in the forward / reverse direction, and can obtain a click feeling at every predetermined rotation angle. For example, the jog dial 303 is actually combined with, for example, a two-phase rotary encoder, so that, for example, one click becomes one rotation step, and the number of rotation steps corresponding to the rotation direction and rotation angle is set. Output information.
In this case, the jog dial 303 can be pressed in the left direction of FIG.
[0036]
The delete key 302 functions as a determination key for deleting data reproduced in a predetermined mode.
[0037]
Further, as mainly shown in FIG. 6A, a photo key 304, a zoom key 305, a focus key 306, and a backlight correction key 307 are provided on the side surface of the main body 200 in a slightly upward state.
The photo key 304 is an operator that functions as a shutter for recording a still image recording file, for example, by pressing in the camera mode.
[0038]
A zoom key 305 is an operator for operating a zoom state (tele side to wide side) in the lens optical system (camera lens 201).
A focus key 306 is an operator for switching the focus state (for example, normal / infinite) of the lens optical system.
The backlight correction key 307 is an operator for turning on / off the backlight correction function.
[0039]
Further, as shown in FIG. 6B, a play / pause key 308 and a stop key 309 are mainly provided on the side surface of the main body 200 on the side where the movable panel portion 203 is arranged as keys relating to recording / playback of a file (track). , A slow reproduction key 310, search keys 311 and 312 and a recording key 313 are provided.
As shown in FIG. 6A, a screen display key 314 for displaying a screen and volume keys 315 and 316 for adjusting the volume of output sound from a speaker are provided on the upper surface of the main body 200. .
[0040]
Note that the appearance of the video camera shown in FIGS. 6 and 7 is merely an example, and may be changed as appropriate according to the usage conditions and the like actually required for the video camera of this example. Of course, there are various types of operation elements, operation methods, and connection terminals with external devices.
[0041]
Further, referring to FIG. 8, the way of movement of the movable panel unit 203 described above will be described. In FIG. 8, for the convenience of explanation, the appearance of the video camera is simplified.
As the movement of the movable panel unit 203, first, the position state is changed from the position state shown in FIG. 6B so as to be caused along the direction of the arrow YJ1 as shown in FIG. 8A. It can be done.
In this case, the display screen (display panel 67) is directed toward the photographer (viewfinder 204), and is directed in a direction substantially opposite to the camera lens 201 that captures the captured image. In this position state of the display panel, for example, a photographer having a video camera can take a picture (record) while monitoring a captured image displayed on the display panel 67.
[0042]
Further, the movable panel 203 can be rotated in the range of about 180 ° along the direction of the arrow YJ2 from the state shown in FIG. That is, as shown in FIG. 8B, the display panel 67 can be in a position state facing the subject (camera lens) side.
In this state, the user on the subject side can see the captured image.
When inserting / removing a disc into / from the disc loading / unloading unit 205, the movable panel unit 203 is raised from the main body 200 as shown in FIGS. 8 (a) and 8 (b). It is made to do in the state.
[0043]
Moreover, the movable panel part 203 can also be moved from the state shown in FIG.8 (b) to the direction of arrow YJ3. In this way, although not shown, the movable panel 203 is placed in the storage position with the display panel 67 visible from the outside.
[0044]
When the display panel is rotated along the direction of the arrow YJ2 as described above, the display image looks as it is when the display panel 67 faces the photographer and the subject. In this embodiment, the display image on the display panel 67 is always visible from the user (photographer and subject) in an appropriate direction according to the rotating state of the movable panel unit 203. Such inconvenience is eliminated by performing reverse display control.
[0045]
3. Internal configuration of the video camera
FIG. 4 is a block diagram showing an example of the internal configuration of the video camera of this example.
In the lens block 1 shown in this figure, for example, an optical system 11 configured with an imaging lens, a diaphragm, and the like is actually provided. The camera lens 201 shown in FIG. 6 is included in the optical system 11. In addition, the lens block 1 includes a motor for causing the optical system 11 to perform an autofocus operation, a zoom motor for moving the zoom lens based on the operation of the zoom key 304, and the like. Supplied as
[0046]
The camera block 2 is provided with a circuit unit for mainly converting image light photographed by the lens block 1 into a digital image signal.
The CCD (Charge Coupled Device) 21 of the camera block 2 is given an optical image of the subject that has passed through the optical system 11. The CCD 21 performs photoelectric conversion on the optical image to generate an imaging signal and supplies it to a sample hold / AGC (Automatic Gain Control) circuit 22. The sample hold / AGC circuit 22 performs gain adjustment on the image pickup signal output from the CCD 21 and performs waveform shaping by performing sample hold processing. The output of the sample hold / AGC circuit 22 is supplied to the video A / D converter 23 and converted into digital image signal data.
[0047]
Signal processing timing in the CCD 21, sample hold / AGC circuit 22, and video A / D converter 23 is controlled by a timing signal generated by a timing generator 24. In the timing generator 24, a clock used for signal processing in a data processing / system control circuit 31 (in the video signal processing circuit 3) described later is input, and a required timing signal is generated based on this clock. Is done. Thereby, the signal processing timing in the camera block 2 is synchronized with the processing timing in the video signal processing unit 3.
The camera controller 25 performs necessary control so that each functional circuit unit provided in the camera block 2 operates properly, and performs autofocus, automatic exposure adjustment, aperture adjustment, zoom, and the like on the lens block 1. It is supposed to perform control for
For example, in the case of autofocus control, the camera controller 25 controls the rotation angle of the focus motor based on focus control information obtained according to a predetermined autofocus control method. As a result, the imaging lens is driven so as to be in a just-focus state.
[0048]
At the time of recording, the video signal processing unit 3 performs compression processing on the digital image signal supplied from the camera block 2 and the digital audio signal obtained by collecting the sound with the microphone 202, and converts the compressed data into user recording data. To the media drive unit 4 in the subsequent stage. Further, an image generated from the digital image signal and the character image supplied from the camera block 2 is supplied to the viewfinder drive unit 207 and displayed on the viewfinder 204.
Further, at the time of reproduction, user reproduction data (read data from the disk 51) supplied from the media drive unit 4, that is, compressed image signal data and audio signal data are demodulated, and these are reproduced as reproduced image signals. And output as a playback audio signal.
[0049]
In this example, MPEG (Moving Picture Experts Group) 2 is used for moving images and JPEG (Joint Photographic Coding Experts Group) is used for still images as compression / decompression processing methods for image signal data (image data). It shall be adopted. Further, it is assumed that ATRAC (Adaptve Transform Acoustic Coding) 2 is adopted as a compression / decompression processing method of audio signal data.
[0050]
The data processing / system control circuit 31 of the video signal processing unit 3 mainly performs control processing relating to compression / decompression processing of image signal data and audio signal data in the video signal processing unit 3 and data passing through the video signal processing unit 3. Executes the process to control the input / output.
The video controller 38 executes control processing for the entire video signal processing unit 3 including the data processing / system control circuit 31. The video controller 38 includes, for example, a microcomputer, and can communicate with the camera controller 25 of the camera block 2 and a driver controller 46 of the media drive unit 4 described later via, for example, a bus line (not shown). Has been.
[0051]
As a basic operation during recording in the video signal processing unit 3, the image signal data supplied from the video A / D converter 23 of the camera block 2 is input to the data processing / system control circuit 31. The data processing / system control circuit 31 supplies the input image signal data to the motion detection circuit 35, for example. The motion detection circuit 35 performs image processing such as motion compensation on the input image signal data while using the memory 36 as a work area, for example, and then supplies the processed image signal data to the MPEG2 video signal processing circuit 33.
[0052]
In the MPEG2 video signal processing circuit 33, for example, the input image signal data is subjected to compression processing according to the MPEG2 format while using the memory 34 as a work area, and a compressed data bitstream (MPEG2 bitstream) as a moving image is applied. Is output. In the MPEG2 video signal processing circuit 33, for example, when image data as a still image is extracted from image signal data as a moving image and subjected to compression processing, compressed image data as a still image according to the JPEG format. Is configured to generate It is also conceivable that an I picture (Intra Picture), which is regular image data, is handled as still image data without using JPEG as compressed image data in the MPEG2 format.
The image signal data (compressed image data) compressed and encoded by the MPEG2 video signal processing circuit 33 is written and temporarily stored in the buffer memory 32 at a predetermined transfer rate, for example.
As is well known, the MPEG2 format supports both a constant speed (CBR) and a variable speed (VBR) as the so-called encoding bit rate (data rate). The video signal processing unit 3 can cope with these.
[0053]
For example, when image compression processing by VBR is performed, for example, if the motion detection circuit 35 detects motion in a range of several tens to several hundred frames before and after the image data in units of macroblocks, This detection result is transmitted to the MPEG2 video signal processing circuit 33 as motion vector information.
In the MPEG2 video signal processing circuit 33, the quantization coefficient for each macroblock is calculated while using the necessary information including the motion vector information so that the image data after compression coding has a certain required data rate. It will be decided.
[0054]
The audio collected by the microphone 202, for example, is input to the audio compression encoder / decoder 37 as digital audio signal data via the A / D converter 64 (in the display / image / audio input / output unit 6).
The audio compression encoder / decoder 37 performs compression processing on the audio signal data input according to the ATRAC2 format as described above. The compressed audio signal data is also written into the buffer memory 32 by the data processing / system control circuit 31 at a predetermined transfer rate, and is temporarily held here.
[0055]
As described above, the compressed image data and the compressed audio signal data can be stored in the buffer memory 32. The buffer memory 32 mainly absorbs the speed difference between the data transfer rate between the camera block 2 or the display / image / audio input / output unit 6 and the buffer memory 32 and the data transfer rate between the buffer memory 32 and the media drive unit 4. Has a function for.
The compressed image data and compressed audio signal data stored in the buffer memory 32 are sequentially read at a predetermined timing and transmitted to the MD-DATA2 encoder / decoder 41 of the media drive unit 4 when recording. However, for example, reading of data stored in the buffer memory 32 at the time of reproduction and operations until the read data is recorded on the disk 51 through the deck unit 5 from the media drive unit 4 are performed intermittently. It doesn't matter.
Such data writing and reading control with respect to the buffer memory 32 is executed by, for example, the data processing / system control circuit 31.
[0056]
The operation during reproduction in the video signal processing unit 3 is roughly as follows.
During reproduction, compressed image data and compressed audio signal data (user reproduction data) read from the disk 51 and decoded in accordance with the MD-DATA2 format by processing of the MD-DATA2 encoder / decoder 41 (in the media drive unit 4) It is transmitted to the data processing / system control circuit 31.
In the data processing / system control circuit 31, for example, the input compressed image data and compressed audio signal data are temporarily stored in the buffer memory 32. Then, for example, the compressed image data and the compressed audio signal data are read from the buffer memory 32 at a required timing and transfer rate so that the reproduction time axis can be matched, and the MPEG2 video signal processing circuit is used for the compressed image data. The compressed audio signal data is supplied to the audio compression encoder / decoder 37.
[0057]
In the MPEG2 video signal processing circuit 33, the input compressed image data is expanded and transmitted to the data processing / system control circuit 31. The data processing / system control circuit 31 supplies the decompressed image signal data to the video D / A converter 61 (inside the display / image / audio input / output unit 6).
The audio compression encoder / decoder 37 performs an expansion process on the input compressed audio signal data and supplies it to the D / A converter 65 (in the display / image / audio input / output unit 6).
[0058]
In the display / image / audio input / output unit 6, the image signal data input to the video D / A converter 61 is converted into an analog image signal here and branched to the display controller 62 and the composite signal processing circuit 63. Is input.
The display controller 62 drives the display unit 6A based on the input image signal. As a result, the reproduced image is displayed on the display unit 6A. Further, in the display unit 6A, not only the display of the image obtained by reproducing from the disc 51, but of course, the captured image obtained by photographing with the camera part composed of the lens block 1 and the camera block 2, It is possible to display and output in almost real time.
In addition to the reproduced image and the captured image, as described above, a message display using characters, characters, or the like for notifying the user of a required message according to the operation of the device is also performed. Such a message display should be output from the data processing / system control circuit 31 to the video D / A converter 61 so that a required character, character, or the like is displayed at a predetermined position under the control of the video controller 38, for example. What is necessary is just to perform the process which synthesize | combines image signal data, such as a required character and a character, with respect to image signal data.
[0059]
Moreover, the display panel 67 is comprised by combining the touch panel 6B with respect to the display part 6A.
The touch panel 6B detects position information of a pressing operation performed on the display unit 6A, and outputs this to the video controller 38 as operation information.
[0060]
The composite signal processing circuit 63 converts the analog image signal supplied from the video D / A converter 61 into a composite signal and outputs it to the video output terminal T1. For example, if an external monitor device or the like is connected via the video output terminal T1, an image reproduced by the video camera can be displayed on the external monitor device.
[0061]
In the display / image / audio input / output unit 6, the audio signal data input from the audio compression encoder / decoder 37 to the D / A converter 65 is converted into an analog audio signal here, and is output to the headphone / line terminal T2. Is output. In addition, the analog audio signal output from the D / A converter 65 is also branched and output to the speaker 205 via the amplifier 66, whereby reproduced audio or the like is output from the speaker 205. Become.
[0062]
In the media drive unit 4, the recording data is encoded in conformity with the MD-DATA2 format at the time of recording and transmitted to the deck unit 5 in conformity with the disk recording, and is read from the disk 51 in the deck unit 5 at the time of reproduction. The decoded data is subjected to decoding processing to obtain reproduced data, which is transmitted to the video signal processing unit 3.
[0063]
The MD-DATA2 encoder / decoder 41 of the media drive unit 4 receives recording data (compressed image data + compressed audio signal data) from the data processing / system control circuit 31 during recording. A predetermined encoding process according to the DATA2 format is performed and the encoded data is stored in the temporary buffer memory 42. Then, the data is transmitted to the deck unit 5 while being read out at a required timing.
[0064]
At the time of reproduction, the digital reproduction signal read from the disc 51 and inputted through the RF signal processing circuit 44 and the binarization circuit 43 is subjected to decoding processing in accordance with the MD-DATA2 format to obtain reproduction data. The data is transmitted to the data processing / system control circuit 31 of the video signal processing unit 3.
Also in this case, if necessary, the reproduction data is temporarily stored in the buffer memory 42, and the data read therefrom at a required timing is transmitted and output to the data processing / system control circuit 31. Such write / read control for the buffer memory 42 is executed by the driver controller 46.
It should be noted that, for example, even when the servo is disconnected due to a disturbance or the like during playback of the disk 51 and reading of the signal from the disk becomes impossible, the read data is stored in the buffer memory 42 within the period. If the playback operation on the disc is restored, it is possible to maintain time-series continuity as the playback data.
[0065]
The RF signal processing circuit 44 performs necessary processing on the read signal from the disk 51, for example, an RF signal as reproduction data, a focus error signal for servo control for the deck unit 5, a tracking error signal, and the like. Servo control signal is generated. The RF signal is binarized by the binarization circuit 43 as described above, and is input to the MD-DATA2 encoder / decoder 41 as digital signal data.
The generated servo control signals are supplied to the servo circuit 45. The servo circuit 45 executes necessary servo control in the deck unit 5 based on the input servo control signal.
[0066]
In this example, an encoder / decoder 47 corresponding to the MD-DATA1 format is provided, and the recording data supplied from the video signal processing unit 3 is encoded according to the MD-DATA1 format and recorded on the disc 51. Alternatively, the data read from the disk 51 is encoded according to the MD-DATA1 format, and can be decoded and transmitted to the video signal processing unit 3. That is, the video camera of this example is configured to be compatible with the MD-DATA2 format and the MD-DATA1 format.
The driver controller 46 is a functional circuit unit for controlling the media drive unit 4 as a whole.
[0067]
The deck unit 5 is a part composed of a mechanism for driving the disk 51. Although not shown here, a mechanism (disc loading / unloading section 210 (see FIG. 6)) in which the disk 51 to be loaded is detachable and can be exchanged by the user's work is provided in the deck section 5. It is supposed to have. Further, it is assumed that the disk 51 here is a magneto-optical disk corresponding to the MD-DATA2 format or the MD-DATA1 format.
[0068]
In the deck unit 5, the loaded disk 51 is rotationally driven by CLV by a spindle motor 52 that rotationally drives the disk 51 by CLV. The disc 51 is irradiated with laser light from the optical head 53 during recording / reproduction.
The optical head 53 performs high-level laser output for heating the recording track to the Curie temperature during recording, and relatively low-level laser output for detecting data from reflected light by the magnetic Kerr effect during reproduction. . For this reason, the optical head 53 is mounted with a laser diode as a laser output means, an optical system composed of a polarizing beam splitter, an objective lens and the like, and a detector for detecting reflected light, although detailed illustration is omitted here. Yes. The objective lens provided in the optical head 53 is held so as to be displaceable in a disk radial direction and a direction in which it is in contact with and separated from the disk, for example, by a biaxial mechanism.
[0069]
A magnetic head 54 is disposed at a position facing the optical head 53 with the disk 51 interposed therebetween. The magnetic head 54 performs an operation of applying a magnetic field modulated by the recording data to the disk 51.
Although not shown, the deck unit 5 is provided with a thread mechanism that is driven by a thread motor 55. By driving the sled mechanism, the entire optical head 53 and the magnetic head 54 are movable in the disk radial direction.
[0070]
The operation unit 7 corresponds to the various operators shown in FIG. 6, and various types of user operation information by these operators are output to the video controller 38, for example.
The video controller 38 provides control information for causing the necessary operations corresponding to the operation information output from the touch panel 6B and the operation unit 7 described above to be executed in each unit. Supply against.
[0071]
The external interface 8 is provided so that data can be transmitted between the video camera and the external device. For example, as shown in the figure, the external interface 8 is provided between the I / F terminal T3 and the video signal processing unit. The external interface 8 is not particularly limited here. For example, IEEE 1394 or the like may be adopted.
For example, when an external digital image device and the video camera of this example are connected via the I / F terminal T3, an image (sound) captured by the video camera can be recorded on the external digital image device. . In addition, image (sound) data or the like reproduced by an external digital image device can be recorded on the disk 51 in accordance with the MD-DATA2 (or MD-DATA1) format by taking in through the external interface 8. . Furthermore, for example, a file as character information used for inserting a caption can be captured and recorded.
[0072]
The power supply block 9 supplies a power supply voltage of a required level to each functional circuit unit using a DC power source obtained from a built-in battery or a DC power source generated from a commercial AC power source. The video controller 38 controls power on / off by the power block 9 according to the operation of the main dial 300 described above.
Further, during the recording operation, the video controller 38 causes the indicator to emit light.
[0073]
4). Media drive configuration
Next, as a configuration of the media drive unit 4 illustrated in FIG. 4, a detailed configuration in which a functional circuit unit corresponding to MD-DATA2 is extracted will be described with reference to the block diagram of FIG. 5. In FIG. 5, the deck unit 5 is shown together with the media drive unit 4. However, since the internal configuration of the deck unit 5 has been described with reference to FIG. 4, the same reference numerals as those in FIG. To do. Further, in the media drive unit 4 shown in FIG. 5, the same reference numerals are given to the ranges corresponding to the blocks of FIG.
[0074]
Information (photocurrent obtained by detecting the laser reflected light by the photodetector) detected by the data reading operation of the optical head 53 with respect to the disk 51 is supplied to the RF amplifier 101 in the RF signal processing circuit 44.
The RF amplifier 101 generates a reproduction RF signal as a reproduction signal from the input detection information and supplies it to the binarization circuit 43. The binarization circuit 43 performs binarization on the input reproduction RF signal, thereby obtaining a reproduction RF signal (binarization RF signal) converted into a digital signal.
The binarized RF signal is supplied to the MD-DATA2 encoder / decoder 41. First, gain adjustment, clamp processing, and the like are performed via the AGC / clamp circuit 103, and then input to the equalizer / PLL circuit 104.
The equalizer / PLL circuit 104 performs equalizing processing on the input binarized RF signal and outputs the result to the Viterbi decoder 105. Further, by inputting the binarized RF signal after the equalizing process to the PLL circuit, the clock CLK synchronized with the binarized RF signal (RLL (1, 7) code string) is extracted.
[0075]
The frequency of the clock CLK corresponds to the current disk rotation speed. Therefore, the CLV processor 111 receives the clock CLK from the equalizer / PLL circuit 104 and obtains error information by comparing it with a reference value corresponding to a predetermined CLV speed (see FIG. 3). This is used as a signal component for generating the error signal SPE. The clock CLK is used as a clock for processing in a required signal processing circuit system including the RLL (1, 7) demodulation circuit 106, for example.
[0076]
The Viterbi decoder 105 performs a decoding process according to a so-called Viterbi decoding method on the binarized RF signal input from the equalizer / PLL circuit 104. As a result, reproduction data as an RLL (1, 7) code string is obtained.
This reproduced data is input to the RLL (1, 7) demodulating circuit 106, where the data stream is subjected to RLL (1, 7) demodulation.
[0077]
The data stream obtained by the demodulation processing in the RLL (1, 7) demodulation circuit 106 is written to the buffer memory 42 via the data bus 114 and developed on the buffer memory 42.
The data stream developed on the buffer memory 42 is first subjected to error correction processing in units of error correction blocks according to the RS-PC system by the ECC processing circuit 116, and further descramble / EDC. The decoding circuit 117 performs descrambling processing and EDC decoding processing (error detection processing).
The data that has been processed so far is used as reproduction data DATAp. The reproduced data DATAp is transferred from the descramble / EDC decode circuit 117 to the data processing / system control circuit 31 of the video signal processing unit 3 at a transfer rate according to the transfer clock generated by the transfer clock generation circuit 121, for example. Will be transmitted.
[0078]
For example, the transfer clock generation circuit 121 appropriately transmits a crystal clock when performing data transmission between the media drive unit 4 and the video signal processing unit 3 and data transmission between functional circuit units in the media drive unit 4. It is a part for generating a transfer clock (data transfer rate) having an appropriate frequency.
Further, a clock having a required frequency to be supplied to each functional circuit unit of the media drive unit 4 and the video signal processing unit 3 is generated according to the operation state of the video camera.
[0079]
Detection information (photocurrent) read from the disk 51 by the optical head 53 is also supplied to the matrix amplifier 107.
In the matrix amplifier 107, necessary detection processing is performed on the input detection information, whereby a tracking error signal TE, a focus error signal FE, and groove information (absolute address information recorded as a wobbled groove WG on the disk 51) GFM. Are extracted and supplied to the servo circuit 45. That is, the extracted tracking error signal TE and focus error signal FE are supplied to the servo processor 112, and the groove information GFM is supplied to the ADIP band pass filter 108.
[0080]
The groove information GFM band-limited by the ADIP bandpass filter 108 is supplied to the A / B track detection circuit 109, the ADIP decoder 110, and the CLV processor 111.
In the A / B track detection circuit 109, for example, based on the method described with reference to FIG. 2B, the currently tracked track is selected from the track TR · A and TR · B based on the input groove information GFM. The track discrimination information is output to the driver controller 46. The ADIP decoder 110 decodes the input groove information GFM to extract an ADIP signal that is absolute address information on the disk and outputs the ADIP signal to the driver controller 46. The driver controller 46 executes necessary control processing based on the track discrimination information and the ADIP signal.
[0081]
The CLV processor 111 receives the clock CLK from the equalizer / PLL circuit 104 and the groove information GFM via the ADIP bandpass filter 108. The CLV processor 111 generates a spindle error signal SPE for CLV servo control based on, for example, an error signal obtained by integrating a phase error with the clock CLK with respect to the groove information GFM, and outputs the spindle error signal SPE to the servo processor 112. The required operation to be executed by the CLV processor 111 is controlled by the driver controller 46.
[0082]
The servo processor 112 performs various servo control signals (tracking control) based on the tracking error signal TE, the focus error signal FE, the spindle error signal SPE, the track jump command from the driver controller 46, the access command, etc. input as described above. Signal, focus control signal, thread control signal, spindle control signal, etc.) are generated and output to the servo driver 113.
The servo driver 113 generates a required servo drive signal based on the servo control signal supplied from the servo processor 112. The servo drive signal here includes a biaxial drive signal for driving the biaxial mechanism (two types of focus direction and tracking direction), a sled motor drive signal for driving the sled mechanism, and a spindle motor drive signal for driving the spindle motor 52. It becomes.
By supplying such a servo drive signal to the deck unit 5, focus control and tracking control for the disk 51 and CLV control for the spindle motor 52 are performed.
[0083]
When a recording operation is performed on the disc 51, for example, the recording data DATAAr is input from the data processing / system control circuit 31 of the video signal processing unit 3 to the scramble / EDC encoding circuit 115. . The user recording data DATAr is input in synchronization with a transfer clock (data transfer rate) generated by the transfer clock generation circuit 121, for example.
[0084]
In the scramble / EDC encode circuit 115, for example, the recording data DATAAr is written and expanded in the buffer memory 42, and data scramble processing and EDC encoding processing (error detection code addition processing by a predetermined method) are performed. After this processing, for example, the ECC processing circuit 116 adds an RS-PC error correction code to the recording data DATAAr developed in the buffer memory 42.
The recording data DATAr that has been processed so far is read from the buffer memory 42 and supplied to the RLL (1, 7) modulation circuit 118 via the data bus 114.
[0085]
The RLL (1, 7) modulation circuit 118 performs RLL (1, 7) modulation processing on the input recording data DATAAr, and outputs the recording data as the RLL (1, 7) code string to the magnetic head driving circuit 119. To do.
[0086]
By the way, in the MD-DATA2 format, a so-called laser strobe magnetic field modulation method is adopted as a recording method for the disk. The laser strobe magnetic field modulation method is a recording method in which a magnetic field modulated by recording data is applied to a disk recording surface, and laser light to be irradiated onto the disk is pulsed in synchronization with the recording data.
In such a laser strobe magnetic field modulation method, the formation process of the pit edge recorded on the disc does not depend on the transient characteristics such as the magnetic field reversal speed and is determined by the irradiation timing of the laser pulse.
Therefore, for example, compared with a simple magnetic field modulation method (a method in which a laser beam is constantly irradiated onto a disk and a magnetic field modulated by recording data is applied to a disk recording surface), a laser strobe magnetic field modulation method is used. In this case, it is possible to easily reduce the jitter of the recording pit. That is, the laser strobe magnetic field modulation method is an advantageous recording method for high density recording.
[0087]
The magnetic head drive circuit 119 of the media drive unit 4 operates so that a magnetic field modulated by the input recording data is applied from the magnetic head 54 to the disk 51. Further, a clock synchronized with the recording data is output from the RLL (1, 7) modulation circuit 118 to the laser driver 120. Based on the input clock, the laser driver 120 drives the laser diode of the optical head 53 so that a laser pulse synchronized with recording data generated as a magnetic field by the magnetic head 54 is irradiated to the disk. . At this time, the laser pulse emitted from the laser diode is based on the required laser power suitable for recording. In this way, the recording operation as the laser strobe magnetic field modulation method is enabled by the media drive unit 4 of this example.
[0088]
5. Example of disk structure corresponding to this embodiment
Next, an example of the data structure of the disk 51 corresponding to the present embodiment will be described.
First, data units called sectors and clusters will be described as the format of MD-DATA2.
A sector is a minimum unit of physical data reading from a disk, and a PSA (Physical Sector Address) is assigned to each sector.
The cluster is a minimum unit of physical data writing to the disk, and the PSA is formed by a set of 16 consecutive sectors from 0h to Fh. Each cluster is assigned a PCA (Physical Cluster Address). A sector in a lead-in area (pre-mastered area) described later can be uniquely specified by PCA. Further, the clusters in the recordable area include one cluster having the same PCA for each of the tracks Tr · A and Tr · B.
[0089]
FIG. 9 conceptually shows an example of a data management form of the disk 51 that is assumed to correspond to the present embodiment. The physical format of the disk 51 shown in this figure is as described above with reference to FIGS.
In the disk 51, for example, PTOC and RTOC are set as management information. In the PTOC, necessary management information is recorded in a pit form. The contents of this PTOC cannot be rewritten.
In the RTOC, for example, basic information necessary for managing data recorded on a disc is recorded.
For example, in the case of this example, as data recorded on the disc, a track (may be synonymous with a file) and a folder (structure for managing tracks by grouping) are managed at the time of recording / playback. Information is stored.
Note that the contents of the RTOC are sequentially rewritten in accordance with, for example, data recording results so far and editing processing results such as deletion of tracks (files) and folders.
[0090]
User data is managed as a volume folder placed in one root folder. In the present embodiment, a volume is defined as a complete set of user data, and is defined as having only one volume on one disk. The data contained in this volume is stored as folders and tracks below the volume folder, except for data managed by the PTOC and RTOC.
[0091]
In the volume folder, a volume index track (VIT: Volume Index Track) having a predetermined size (for example, 12 clusters) is placed.
For example, if the PTOC and RTOC are the main management information, the volume index track is defined as an area in which the sub management information is recorded. The track index file is a track (file), a folder, and auxiliary data (Auxiliary Data). And a table in which information for managing the property, title, and packet data forming the track is recorded.
[0092]
In addition, as a track managed in the volume folder, a thumbnail track (Thumbnail Picture Track) can be arranged as an option.
In the present embodiment, it is possible to have one still image with a predetermined resolution as a thumbnail image in association with each file recorded on the disc. The thumbnail image is handled as a representative image for making the file visually recognizable.
The thumbnail track is recorded with index information indicating the association with the file (track) recorded on the disc and the storage position of the thumbnail image. The data length of the thumbnail track can be arbitrarily expanded according to the number of thumbnail images stored.
[0093]
For example, image / sound data recorded by a user by shooting or the like is managed in units of files, and is placed in a volume folder as a track under a volume folder or in a folder under a volume folder. become.
FIG. 9 shows a state in which a certain file is expressed as one track and this track is stored in a certain folder. As described above, the folder is a structure for managing tracks or folders in a group.
Therefore, in the structure below the volume folder, an arbitrary number of tracks or folders are stored within a range defined by the maximum number of items that can be stored in the volume folder and the maximum number of levels of the hierarchical structure of the folder.
[0094]
In the volume folder, an auxiliary data track (Auxiliary Data Track) storing auxiliary data (Auxiliary Data) is arranged.
The information to be stored in the auxiliary data track is arbitrary depending on, for example, the application that is actually applied.
In the present embodiment, script information as reproduction control information is stored. Further, although detailed explanation is omitted here, image data (Image) created by “doodle editing” for the track (recording file) is also stored.
[0095]
By the way, the information stored in the PTOC, RTOC, or even the volume index track, which is the above-described management information (these information are collectively referred to as “management information” in the present embodiment) is, for example, When the disc is loaded, it is read out and held in a predetermined area of the buffer memory 42 (or buffer memory 32) of the media drive unit 4, for example. At the time of data recording and editing, the management information held in the buffer memory is rewritten according to the recording result and the editing result, and then the buffer memory is stored at a predetermined opportunity and timing. Based on the contents of the held management information, the management information of the disk 51 is rewritten (updated) (however, the PTOC is not updated).
[0096]
FIG. 10 shows the data management form shown in FIG. 9 in association with the physical structure of the disk 51.
The lead-in area shown in this figure is a pit area in the innermost circumference of the disc, and PTOC information is recorded therein.
[0097]
A recordable area is formed on the outer periphery of the lead-in area via a transition area. This recordable area is a magneto-optical recording area in which magneto-optical recording and reproduction is possible. In the recordable area, as described above with reference to FIGS. 1 and 2, two tracks of the track Tr • A and the track Tr • B are formed on a double spiral.
[0098]
In the innermost circumference of the recordable area, an RTOC area is provided for each of the tracks Tr • A and Tr • B. In the RTOC area of the track Tr • A, the RTOC information having a size of 4 clusters is repeatedly recorded three times. Subsequently, a volume index track having a size of 12 clusters is arranged.
Following the volume index track, a thumbnail track can be arranged as an option. As a thumbnail track in this RTOC area, it is defined that at least the first one cluster is located. For example, when the number of thumbnail image data increases as the number of files increases, and the capacity of the thumbnail track in the RTOC area is exceeded, additional recording can be performed in a recordable data area described later. . The thumbnail track on the recordable data area at this time is managed by a volume index track (or RTOC).
[0099]
Further, following the thumbnail track of this RTOC area, an area for recording script and image data as auxiliary data can be set as an option.
These scripts and image data are additionally recorded in the recordable data area in a form managed by the volume index track (or RTOC) when the recordable capacity in the RTOC area is exceeded. Can continue.
[0100]
From the address position indicated by the recordable data area start address W, a recordable data area is provided. In this recordable data area, AV data, that is, track (file) data is recorded. The thumbnail image data and auxiliary data described above can also be recorded.
[0101]
When this recordable data area ends, a lead-out area is formed from the address position indicated by the lead-out area start address L to the outermost periphery.
[0102]
Although the above description relates to the track Tr · A, as can be understood from FIG. 10, the area setting is also applied to the track Tr · A. However, the RTOC area is undefined at this stage. That is, the RTOC area is substantially used only for the track Tr · A.
[0103]
The disk structure examples shown in FIGS. 9 and 10 are merely examples, and the physical positional relationship of each area on the disk may be changed according to the actual use conditions and the data is stored. The structure to be changed may be changed.
[0104]
6). Thumbnail image generation processing
The thumbnail images stored in the thumbnail track shown in FIGS. 9 and 10 can be generated by the video camera according to the present embodiment. Here, the thumbnail image generation processing will be described. . Here, a case where a thumbnail image for an image file already recorded on a disc is generated will be described.
[0105]
As described above, for example, the management information (PTOC, RTOC, volume index track) recorded on the disk 51 is read at a predetermined timing such as when the disk is loaded, and stored in the buffer memory 42 (or the buffer memory 32). It is assumed that they are stored.
[0106]
Then, the driver controller 46 refers to the management information stored in the buffer memory 42, for example, on the disk on which the image data designated as the thumbnail image is recorded for the file from which the thumbnail image is to be generated. The image data as the thumbnail image generation source is obtained by accessing the address and causing the disk to perform a read operation.
The image data is sequentially transmitted from the media drive unit 4 to the video signal processing unit 3 and supplied to the data processing / system control circuit 31.
Note that the image data defined as the thumbnail image generation source by the management information is, for example, the first frame (or field) image data in the file is designated unless otherwise specified.
[0107]
Then, the data processing / system control circuit 31 first controls the MPEG2 video signal processing circuit 33 to perform the expansion processing according to the MPEG2 format with respect to the supplied screen data to the level of the image data in the field image unit. The decoded data is acquired.
[0108]
For example, in the stage of the image data decoded to the level of the field image unit, the data is usually data having an image size (number of pixels) that can be displayed almost at full size on the display screen.
Therefore, after the full-size image data in the field image unit is obtained, the full-size image data is reduced so that the actually required thumbnail image size is obtained. It will be.
In order to reduce the image size, for example, the original full-size image data is sampled at appropriate timing with respect to pixel data, and a signal is used to reconstruct the image data based on the sampled pixel data. What is necessary is just to perform a process.
[0109]
Then, for example, the video controller 38 generates index information (described with reference to FIG. 9) for the thumbnail image data obtained in this way, and records the thumbnail image data together with the index information on the thumbnail track of the disc. Execute control.
In this way, thumbnail image data corresponding to each file is obtained and recorded on the disc.
[0110]
In this embodiment, as can be understood from the above description, in addition to image data (including audio data), audio data based only on audio, and character information data can be recorded as a file. For example, when there is no image data as a thumbnail image generation source in the file, such as voice data and character information data, for example, it can be visually recognized in advance as voice data or character information data. Image data of such a pattern is prepared (for example, stored in the ROM of the video controller 38 or stored in a predetermined area of the disk), and this image data is used as a thumbnail image. This is what you should do.
[0111]
7). script
Further, in the present embodiment, editing processing such as designation of reproduction order and giving a required special effect at the time of reproduction can be performed on a file (mainly a recorded file) recorded by the video camera.
In performing the editing as described above, in this embodiment, a script as reproduction control information that can give a required reproduction output mode for a recorded file is prepared. By interpreting the script, a reproduction output mode (for example, reproduction order) corresponding to the editing result is obtained. In the editing stage, the editing process is executed by updating the contents of the script. The “script” here refers to a procedure writing structure described in a predetermined program language for reproducing and outputting moving image data, still image data, audio data, and document data at the same time. It is supposed to be.
[0112]
First of all, a script used as reproduction control information in this embodiment will be schematically described.
[0113]
In this embodiment, SMIL (Synchronized Multimedia Integration Language) is adopted as a script.
SMIL is a language that is standardized by W3C (Internet standardization organization) to realize, for example, television program broadcasts and presentations on the Internet, and is based on the grammar of XML (superset of HTML). It is intended to realize time-series presentations.
[0114]
First, scheduling is expressed by two tags <seq> and <par>.
<Seq> means “sequential”, that is, serial, and information surrounded by the tags is reproduced in time order.
<Par> means parallel, that is, parallel, and the information enclosed by the tags is reproduced synchronously.
[0115]
Here, for example, in the file recorded on the disc, when it is specified that the image data files represented as video1, video2, and video3 are reproduced in the order of video1 → video2 → video3,

Or

The description is as follows.
[0116]
Also, when the file video1 → video2 → video3 is reproduced in the order, and the audio1 audio1 file is desired to be simultaneously reproduced as an after-record track for the video1,

The description is performed as follows.
[0117]
Also, a description is provided for designating that a file to be reproduced in synchronization with a certain file is to be reproduced from a position after a certain number of seconds after the certain file is reproduced.
For example, when a caption (for example, an image as character information) is displayed 5 seconds after a video1 image file is displayed (reproduced),

The description is performed as follows.
[0118]
For example, if an instruction is given to display the file picture1 as a still image file for 5 seconds,
<Image src = “picture1” dur = “5s”>
It is described as follows.
[0119]
Also, so-called frame mute is used, and “range” is used when reproducing a part of a certain moving image file. For example, assuming that the standard of SMPTE (Society of Motion Picture and Television) is adopted as the time code,
<Video src = "video1" range = "smpte: 10: 07: 00-10: 007: 33">
It can be described as follows.
[0120]
In addition, “repeat” is used to designate a certain file and repeat. For example, if you want to repeat a video1 file 10 times,
<Video src = “video1” repeat = “10”>
Describe as follows.
[0121]
In this embodiment, such a script called SMIL is used so that display control for giving a required display form as a thumbnail display can be executed.
Therefore, for example, in the video camera system of the present embodiment, a subset of XML is prepared so that interpretation corresponding to this SMIL and script description (generation) can be performed. This may be stored in advance in the program memory 39 or the like as a program to be executed by the video controller 38, or recorded on the application layer of the disc so that it can be read out.
[0122]
In the present embodiment, such a script is generated or updated by the video controller 38 in, for example, an editing stage (or a recording operation stage) and held in a predetermined area in the buffer memory 32, for example. It is supposed to be kept.
The script held in the buffer memory 32 in this way is recorded on the disk at a predetermined opportunity or timing. The script data is stored as a script file for the auxiliary data track described with reference to FIGS. Since the script is recorded on the disk in this way, the next time the disk is newly loaded, the script recorded on the disk is read and stored in, for example, the buffer memory 32 and referenced. Thus, editing and reproduction can be performed in accordance with the reproduction order obtained by the previous editing.
[0123]
8). Operation screen display
In the video camera of the present embodiment, an operation screen is displayed on the display panel 67 when searching for a file recorded on the disc and performing various editing and setting processes.
As the operation screen, various information about the currently loaded disk and the files recorded on the disk are presented. Various operations in accordance with a certain purpose are realized by a combination of a pressing operation on the operation screen (hereinafter referred to as a pointing operation) and an operation on various operators.
Here, as the operation screen of the present embodiment, so-called thumbnail display is performed in which a thumbnail image (small image) corresponding to each file recorded on the currently loaded disc is presented. That is, the user can visually confirm the contents of the file (track) recorded on the disc by viewing the thumbnail image displayed on the operation screen. In addition, file search and reproduction can be performed by operations on the thumbnail images.
[0124]
FIG. 11 shows a display form example of the operation screen displayed on the display panel 67 of the video camera of this embodiment.
This operation screen is displayed as an initial screen when the playback / editing mode is set, for example, with a disc loaded.
[0125]
In this figure, first, an information display area A1 is provided in the upper stage of the display area. In the information display area A1, various information necessary for the user is presented. Here, the remaining battery level display area A1-1, the sports mode display area A1-2, the playback mode display area A1-3. A remaining recording time display area A1-4 and a disk icon A1-5 are arranged.
[0126]
In the remaining battery charge display area A1-1, the remaining battery charge is indicated by the battery symbol and time.
Although detailed explanation is omitted here, in the video camera of the present embodiment, as a playback mode, for example, a sport mode in which frame-by-frame playback or the like is performed and a motion of a subject photographed by the user can be confirmed. It can be set. Then, in the sport mode display area A1-2, when the sport mode is set, for example, as shown in the figure, it is notified that the sport mode is currently set by characters “SPORT”.
In the reproduction mode display area A1-3, various special reproduction modes such as shuffle reproduction, repeat reproduction, and reproduction between A and B are presented by characters, symbols, and the like. The remaining recording time display area A1-4 indicates the remaining recordable capacity of the disc by time.
The disk icon A1-5 is displayed, for example, when a disk is loaded. When a pointing operation is performed on the disk icon A1-5, various information about the currently loaded disk is displayed from the operation screen shown in FIG. Can be switched to the display of the disc information screen.
[0127]
A thumbnail display area A2 is provided below the information display area A1. Here, a maximum of nine thumbnail images (for nine files) can be displayed, and the thumbnail images SN of A to I are displayed. Although not shown here, for example, as each thumbnail image SN, for example, if the file is a recording file, an image extracted from the recording file is displayed as a still image.
[0128]
Here, the arrangement order of the thumbnail images SN in alphabetical order of A to I basically follows the playback order. That is, in the present embodiment, thumbnail images can be displayed in a predetermined arrangement order according to the file playback order specified by the script. However, if an operation such as sorting is performed, thumbnail images are displayed according to the sorting order.
[0129]
In this case, the number of thumbnail images that can be displayed at one time is nine. For example, if the number of tracks (files) recorded on the disc is greater than 9, and therefore the number of thumbnail images is greater than 9, thumbnails are displayed. By performing a pointing operation on the scroll bar A4 displayed on the right side of the display area A2 and performing a drag operation, for example, the thumbnail images displayed in the thumbnail display area A2 can be displayed while being scrolled. It has become.
[0130]
In addition, various icons are superimposed on each thumbnail image SN displayed in the thumbnail display area A2.
As these icons, first, the moving image icon i1 indicates that the file corresponding to the thumbnail image on which the icon is superimposed is a file in which a moving image is recorded. In the case of FIG. 11, it is recognized that the thumbnail images (A, B, C, D, E) are moving image files.
[0131]
The icon displayed in the thumbnail image (G) is a still image icon i2, and this icon indicates that the file is a still image file.
The thumbnail image (H) is displayed with an interview file icon i3, which indicates that the interview file is recorded in the interview mode described above.
[0132]
Further, the group icon i4 is displayed in the thumbnail image (I). In the video camera of this embodiment, as management on the thumbnail display, a plurality of files that are consecutive in the playback order are grouped together, and the plurality of files thus grouped are displayed as one thumbnail image. can do. The group icon i4 is displayed superimposed on the thumbnail images corresponding to the grouping in this way.
[0133]
The icon displayed in the thumbnail image (F) is a memo file icon i5. In the video camera of this embodiment, as an editing function, it is possible to create the contents written by the user as one independent file. If such a memo file is inserted and reproduced, for example, before an arbitrary file, the title content of the file can be displayed by the memo file. The memo file icon i5 indicates that the file is a memo file.
[0134]
Further, for example, an icon imitating a pencil displayed on the thumbnail images (C, E) is a doodle icon i6. As an editing function of the video camera according to the present embodiment, a graffiti is created by an operation locus on the panel display unit 67 performed by the user with the pen 320 or the like, a pasting operation of a stamp image, or the like on an already recorded image file. It is possible to add a typical image.
The graffiti icon i6 indicates that the file is graffitied by this graffiti function.
[0135]
A mark icon i7 is displayed on the thumbnail images (B, E). The user can put a mark on an arbitrary file by a predetermined operation on the operation screen. For example, the user marks a file that is highly important to him / her as a reminder. The mark icon i7 indicates that this mark is added.
[0136]
A lock icon i8 is displayed on the thumbnail images (A, E). The user can also set “lock” so that a predetermined operation on the operation screen does not cause any file to be deleted, edited, or the like changed. A lock icon i8 indicates that the file is locked.
An effect icon i9 is displayed below the thumbnail images (A, E). In the present embodiment, for example, various scene changes and special reproduction effects such as mosaics can be given to the file. However, the effect icon i9 indicates that the file has such a special effect. ing.
[0137]
In this embodiment, various icons are superimposed on the thumbnail image in this way, so that the attributes such as the type of file and various setting statuses corresponding to the thumbnail image can be visually confirmed to the user. It can be recognized.
[0138]
The pointer icon i10 displayed so as to frame the thumbnail image (E) is displayed on the thumbnail image that has been pointed by, for example, the user performing a pointing operation on the thumbnail image with the pen 320 or the like. Are moved and displayed. Then, the thumbnail image on which the pointer icon i10 is arranged and displayed is currently selected.
[0139]
In addition, as an actual operation screen of the present embodiment, the thumbnail image without the pointer icon i10 is not overlaid on the thumbnail image, and this thumbnail is displayed when the pointer icon i10 is selected and selected. An icon is superimposed on the image.
[0140]
For example, if the user operates the play / pause key 308 with the pointer icon i10 placed on the desired thumbnail image, playback starts from the file selected by the placement of the pointer icon i10. It is like that. Alternatively, when the pointing operation is performed again on the thumbnail image on which the pointer icon i10 is arranged and displayed, the reproduction is started from the track on which the pointer icon i10 is arranged.
[0141]
On the left side of the thumbnail display area A2, a menu key area A3 for displaying various menu keys is provided.
In this menu key area A3, in order from the top, the playback menu key A3-1, the edit menu key A3-2, the graffiti / effect menu key A3-3, the studio menu key A3-4, the setting menu key A3-5, the advanced Menu key A3-6 is arranged and displayed.
[0142]
The reproduction menu key A3-1 is a key for presenting and setting menus related to various reproductions. For example, a reproduction mode reflected in the reproduction mode display area A1-3 can be set.
The edit menu key A3-2 presents various items related to editing in units of recorded files. For example, moving (copying) a track (file), copying, deleting, dividing a track, trimming, file grouping, still image Extraction (for example, selection of still images to be displayed as thumbnail images) can be performed. In addition, operations for shifting to a track information screen where the track information is presented and various settings regarding each track information can be performed can be performed here.
[0143]
The graffiti / effect menu key A3-3 is used to set various special reproduction effects such as a graffiti function, scene change (fade-in, fade-out, wipe, etc.), audio special effects, image special effects (mosaic, sepia processing), etc. Menu is presented.
In addition, the video camera of this embodiment has a function that allows a user to easily create a video work by performing recording and operation according to the GUI. The studio menu key A3-4 presents a menu corresponding to such a simple video work creation function.
[0144]
The setting menu key A3-5 presents a menu for performing various settings such as screen brightness as the display unit 6A, panel color density, viewfinder brightness, date and time setting, still image setting time, and the like. .
The advanced menu key A3-6 presents a menu relating to a connection function with an external device such as a personal computer, a demonstration mode, and the like.
[0145]
Further, a track information display area A5 is provided in the lower part of the display area. In the track information display area A5, information about the track corresponding to the thumbnail image selected in the thumbnail display area A2 (where the pointer icon i10 is arranged) is displayed.
Here, first, the track number is displayed in the track number display area A5-1, and then, in the date / title display area A5-2, the recording date and the title attached to the track are displayed for a predetermined time (for example, several seconds). ) Are displayed alternately. In the time display area A5-3, the total time of the track is displayed.
The shortcut icon A5-4 corresponds to the various icons described above (for example, the moving image icon i1 and the still image icon i2) corresponding to the file type corresponding to the selected thumbnail image, the presence / absence of grouping setting, and the like. Any one of the interview file icon i3, the group icon i4, and the memo file icon i5) is displayed. When a pointing operation is performed on the shortcut icon A5-4, the track information screen can be displayed.
[0146]
Here, as an example of the operation on the menu key area A3, the case of the reproduction menu key A3-1 will be described as an example with reference to FIG.
For example, as shown in FIG. 12, if a pointing operation is performed on the reproduction menu key A3-1 with, for example, the pen 320, a first pop-up menu is displayed. In this case, menu items of “← return”, “sport analysis mode”, “play mode”, and “sort” are displayed in the first pop-up menu. When the first pop-up menu is displayed, for example, when the jog dial 303 is rotated (or may be dragged to the screen with a pen or the like), the selected item is moved according to the rotation direction. To go. Then, for example, as shown in the figure, when the “play mode” is selected and the jog dial 303 is pressed (or may be a pointing operation for a certain time or more with a pen), the second pop-up menu is displayed.
[0147]
Here, four items of “normal”, “disc repeat”, “shuffle”, and “intro scan” are displayed in the second pop-up menu. Then, the user can select and determine a desired item from these items by performing an operation similar to the operation for the first pop-up menu described above on the second pop-up menu. The play mode set in this way is reflected in the display content of the playback mode display area shown in FIG. 11, for example.
[0148]
9. Trimming editing of this embodiment
In the video camera according to the present embodiment, from the file (track) that is the dynamic data (moving image data) of a predetermined unit already recorded on the disc by the GUI operation on the operation screen shown in FIG. Trimming editing can be performed to extract the intermediate data.
Therefore, trimming editing as the present embodiment will be described below.
Since it has been possible to perform trimming editing in a video camera so far, the trimming editing according to this embodiment is referred to as “automatic trimming editing”, and is distinguished from conventional trimming editing. I will do it.
[0149]
9-1. Trimming editing operation
First, an operation procedure for automatic trimming editing according to the present embodiment will be described. As described above, since trimming editing can be performed with a video camera so far, as the present embodiment, Prior to describing the operation procedure of automatic trimming editing, the procedure of conventional trimming editing will be briefly described.
Note that the conventional trim editing procedure described below will be described assuming that a conventional trim editing function is provided for the video camera of the present embodiment, for example. Therefore, the conventional trim editing described here is performed based on the operation screen displayed on the display panel 67 and the operation keys of the various operation units 7.
[0150]
First, in the video camera of this embodiment, when performing conventional trimming editing, for example, the editing menu key A3-2 displayed on the operation screen shown in FIG. A first pop-up menu in which various menu items are arranged is displayed. Then, an operation for selecting a menu item (for example, an item “trimming”) in the first pop-up menu is performed to shift to a trimming mode for trimming.
[0151]
When the trimming mode is entered, the display panel 67 shifts from the previous operation screen display to a track selection screen on which a plurality of thumbnail images are displayed. Then, the user selects a track (file) to be trimmed from such a track selection screen, for example, by a pointing operation, and reproduces and displays the selected track on the display panel 67.
When the selected track is reproduced and displayed in this way, the user can designate the start point and end point of the image to be trimmed by a predetermined key operation or the like.
Then, the user operates a predetermined operation key at the start point and end point of the image to be trimmed while watching the reproduction display of the selected track.
As a result, trimming editing for extracting image data between two points (start point, end point) designated by the user from the image data of the selected track is performed.
[0152]
Next, an operation procedure for trimming editing according to the present embodiment will be described with reference to FIGS.
Even in the case of performing automatic trimming editing according to the present embodiment, a pointing operation is performed on the edit menu key A3-2 displayed on the operation screen. Then, as shown in FIG. 13, a first pop-up menu in which various menu items for editing are arranged is displayed. When the “automatic trimming” menu item in the first pop-up menu is selected and determined, the automatic trimming mode for the track (file) is entered.
[0153]
When the automatic trimming mode is entered, the display panel 67 first shifts from the operation screen display so far to the track selection screen shown in FIG. On this track selection screen, a plurality of thumbnail images SN of tracks as files are displayed. Further, the thumbnail display area displaying the thumbnail image SN can be moved in the vertical direction, for example, by performing an operation on the scroll bar A4. Then, the user selects a file to be trimmed by, for example, a pointing operation. If the “CANCEL” button BT1 displayed at the lower right of the screen is operated, the automatic trimming mode can be exited to return to the operation screen.
[0154]
When the selection of the file to be automatically trimmed is determined by the operation on the track selection screen shown in FIG. 14A, the process proceeds to the selected track reproduction screen shown in FIG. 14B.
On the selected track reproduction screen, the file selected as the trimming target is repeatedly reproduced and displayed. The user operates the “pause” button BT2 displayed at the lower right of the screen, for example, at the timing of the substantially center position of the image to be trimmed while watching the reproduced and displayed image, and performs an operation for pausing. . If the “Cancel” button BT1 is operated, for example, it is possible to return to the track selection screen shown in FIG.
[0155]
When a pause operation is performed by the “pause” button BT2, the display screen of the display panel 67 becomes the pause screen shown in FIG. This temporary stop screen is a screen for the user to check whether the image position is appropriate, and is also a screen for the user to finely adjust the image position.
Here, for example, when the image position of the pause screen is not appropriate, for example, the jog dial 303 provided in the video camera body 200 is operated to frame-forward the pause screen so that the appropriate image position is obtained. It is possible to make fine adjustments.
For example, when the pause screen is at an appropriate image position, that is, approximately the center position of the image to be trimmed (hereinafter also referred to as “trimming reference image position”), for example, the “execute” button BT5 displayed at the lower right of the screen is displayed. Do the operation.
Thereby, a trimmed track including the image (trimming reference image) displayed as the pause screen is formed. That is, the automatic trimming editing according to the present embodiment is executed.
[0156]
A track formed by automatic trimming editing as described above includes a trimming reference image designated by the user, and is formed from image data for a preset trimming time.
[0157]
Such trimming time can be arbitrarily set by the user.
The trimming time can be changed by the user operating the “detail” button BT3 on the selected track reproduction screen shown in FIG. 14B, for example.
Here, for example, when the user operates the “details” button BT3, the screen shifts to a trimming time setting screen shown in FIG.
The trimming time setting screen shown in FIG. 14D is used to set the trimming time before and after the trimming reference image position on the selected track reproduction screen shown in FIG. 14B. The setting screen is superimposed and displayed.
FIG. 14D shows a default time set in advance as the trimming time. In this case, the trimming time is set to 2 seconds before and 2 seconds after the trimming reference image position. It is shown.
Therefore, in this case, the file after trimming editing is formed with image data for 2 seconds before and after the trimming reference image position, that is, image data for a total of 4 seconds centering on the image to be trimmed.
[0158]
Here, for example, when the user wants to change the trimming setting time, the “▲” button BT6 and the “▼” button BT7 may be operated. Then, after changing the setting of the trimming time, for example, by operating the “decision” button BT4 displayed at the lower right of the screen, the trimming time is set to a new setting time, and the selection shown in FIG. You will return to the track playback screen.
[0159]
Thereafter, as described above, the “pause” button BT2 is operated at the timing of the image position to be trimmed while viewing the image of the selected track playback screen shown in FIG. The “execute” button BT5 displayed at the lower right of the screen is operated with the pause screen shown in c) as an appropriate image position (trimming reference image position). Thereby, a track corresponding to the trimming setting time set by the user on the trimming setting screen can be formed.
[0160]
As described above, the automatic trimming editing according to the present embodiment does not need to specify two points of the starting point and the ending point of the image to be trimmed unlike the conventional trimming editing, and the center position (trimming reference image position) of the image to be trimmed. With the simple operation of designating, it becomes possible to easily perform trimming editing to extract the data of the intermediate portion of the selected track.
In this case, the reproduction time of the track after trimming editing corresponds to the trimming setting time. For this reason, for example, there is a track on which a moving image such as a golf swing of a plurality of players is recorded on one disc, and when only the shot (impact) image of each player is trimmed and edited from these tracks, The playback time of each track is the same.
In other words, since the recording time of a new track after trimming editing, which was difficult in the conventional trimming editing work, can be made the same, it should be very easy to see when continuously playing back the track after trimming editing. Can do.
[0161]
9-2. Track management process
The track structure formed by the automatic trimming of the present embodiment as described above is as follows.
First, it is assumed that the track #N shown in FIG. 15A is selected as a track to be automatically trimmed from the tracks recorded on the disc.
In this case, the track #N has a start address A1 and an end address A7 as shown in the figure, for example, and reproduction is started from the start address A1.
When the track #N is being reproduced, the trimming reference point (trimming reference image position) TC is designated by the operation on the operation screen of operating the “pause” button BT2 as described above. In this figure, the trimming reference point TC is designated at the data position corresponding to the address A4 that is later than the start address A1 in the data reproduction time.
[0162]
After the trimming reference point TC is designated in this way, for example, when the “execute” button BT5 shown in FIG. 14C is operated, the trimming reference point TC corresponds to the trimming setting time from the address A4. A new start address and end address are obtained.
The new start address and end address of such a track #N are the address A4 of the trimming reference point TC, the cluster unit that is the minimum unit for data writing, and the reproduction time information per sector that is the minimum unit for data reading. It can be easily obtained based on the above.
Here, assuming that the trimming setting time before the trimming reference point TC is T1, and the trimming setting time after the trimming reference point TC is T2, as shown in FIG. 15B, a newly formed new track #N Is changed from address A1 to A3. Also, the management information is rewritten (updated) so that the end address is changed from address A7 to A5.
[0163]
The management information is rewritten (updated) by, for example, updating (overwriting) the original track management information before automatic trimming editing to new track management information after automatic trimming editing, or managing a new track after editing. Rewriting such as adding information is performed.
[0164]
Here, when the management information of the original track before automatic trimming editing is updated (overwritten) as the management information of a new track after automatic trimming editing, the address A1 that was the track before the address A3 of the original track data The data section of -A2 and the data section of addresses A6-A7, which was track data after address A5, are managed on the management information so as to be an empty area.
That is, in this case, data in a predetermined time corresponding to data in the data section of the address A1-A2 and data in the data section of the address A6-A7 is handled as deleted from the track data. Therefore, in this case, the disk on which the track is recorded can be effectively used.
[0165]
On the other hand, when new track management information after automatic trimming editing is added as new track management information, it is effective, for example, when trimming a plurality of images from one track.
For example, when images such as golf swings of a plurality of players are recorded on one track, and each player trims and edits the swing image of each player, the management information of the original track is used as the management information of the new track. After that, the trimming edit cannot be performed on the image of another player recorded in the original track.
Therefore, in such a case, by adding new track management information after automatic trimming editing and leaving the original track management information, trimming editing of a plurality of images from one track is performed. It becomes possible.
That is, the management information of the original track is added by adding the management information of the new track in which the data of the data section of the address A1-A2 and the data of the data section of the address A6-A7 is deleted for a predetermined time. Trimming editing of multiple images is performed.
[0166]
9-3. Thumbnail image change processing
By the way, as described above, in this embodiment, in order to make it possible to visually recognize a track (file) recorded on a disc, it has a thumbnail image associated with each track. . If there is no special designation for such a thumbnail image, for example, the first frame (or field) image data in the track is designated.
For this reason, in the conventional trimming editing, the contents of the new track after trimming editing and the thumbnail image do not match, and it is necessary to separately perform editing work for changing the thumbnail image.
[0167]
Therefore, in the automatic trimming editing of the present embodiment, the thumbnail image changing process is performed together with the trimming editing as described above.
In this case, the image data defined as the thumbnail image generation source is a trimming reference image that is used as a temporary stop screen when the “execute” button BT5 shown in FIG. 14C is operated.
In other words, in this case, index information for thumbnail image data obtained based on the trimming reference image is generated, and this thumbnail image data is recorded on the thumbnail track of the disc together with this index information, so that a new image after automatic trimming editing can be obtained. Thumbnail image data corresponding to various files is obtained.
[0168]
In this way, it is not necessary for the user to perform editing work to change the thumbnail image after performing trimming editing work, and editing is performed as compared with the case where trimming editing and thumbnail editing are performed separately as before. Time can be shortened.
In addition, since the thumbnail image of the track after trimming editing is changed to the trimming reference image specified by the user, by displaying a list of such thumbnail images, the user can easily recognize the contents of the track (file) on the disc. can do.
[0169]
In the automatic trimming editing according to the present embodiment, it has been described that the thumbnail image is changed and edited together with the trimming editing process. However, this is merely an example, and such a thumbnail image changing and editing can be selected. It is also possible to.
[0170]
In the automatic trimming editing of the present embodiment described so far, the case where editing is performed for a camera mode in which moving images / sounds are recorded / reproduced is taken as an example. However, as the automatic trimming editing of the present invention, only audio is recorded. The present invention can also be applied to the case where the audio track is an editing target, or the case where the interview mode track is mainly an audio and accompanied by a still image.
[0171]
9-4. Processing action
Next, based on the above description, a processing operation for performing automatic trimming editing according to the present embodiment will be described with reference to a flowchart of FIG.
This process is realized by the video controller 38 functioning as a master controller and the data processing / system control circuit 31, the driver controller 46, etc. appropriately executing the control process.
[0172]
In the automatic trimming editing according to the present embodiment, for example, the user performs a pointing operation on the editing menu key A3-2 displayed on the operation screen shown in FIG. 13 and arranges various menu items for editing. The first pop-up menu is displayed, and an operation of selecting the “automatic trimming” menu item in the first pop-up menu is performed.
Here, for example, when the “automatic trimming” menu item in the first pop-up menu is selected by the user, the video controller 38 executes control for displaying a track selection screen in step S101. As a result, a track selection screen as shown in FIG. 14A is displayed on the display panel 67.
[0173]
In the next step S102, it is determined whether or not a track selection operation to be automatically trimmed has been performed on the track selection screen shown in FIG. 14A, and when the track selection operation has been performed. Proceeding to step S103, control processing for reproducing the selected track is executed. That is, display control for displaying the selected track reproduction screen shown in FIG. 14B is executed. At this time, as shown in FIG. 14B, the “detail” button BT3, the “stop” button BT1, and the “pause” button BT2 are displayed at the required positions in the playback screen. Is called.
[0174]
In the subsequent step S104, it is determined whether or not the “detail” button BT3 shown in FIG. 14B has been operated. If it is determined that the “detail” button BT3 has been operated, the process proceeds to step S105. Thus, display control for displaying the trimming time setting screen shown in FIG. At this time, the “OK” button BT4 and the “Cancel” button BT1 are displayed at the required position in the reproduction screen.
[0175]
In the next step S106, it is determined whether or not the “OK” button BT4 shown in FIG. 14D has been operated. If it is determined that the “OK” button BT4 has been operated, the process proceeds to step S107. move on.
In step S107, the trimming time T1 before the trimming reference point TC set on the trimming time setting screen shown in FIG. 14D and the rear trimming time T2 after the trimming reference image are set, and the selected track is reproduced. After deleting the trimming time setting screen superimposed on the screen, the process proceeds to step S108.
If a negative result is obtained for the operation of the “detail” button BT3 in step S104, the process proceeds to step S108 without performing the processes in steps S105 to S107.
[0176]
In step S108, it is determined whether or not the “pause” button BT2 shown in FIG. 14B has been operated. If it is determined that the “pause” button BT2 has been operated, the process proceeds to step S109. In step S109, the track reproduction is paused, and the display control process for displaying the pause screen shown in FIG. 14C is executed.
That is, display control is executed to display and output the frame image data when the pause operation is performed in the display area of the display panel 67. In this case, an “execute” button BT5 and a “stop” button BT1 are also displayed at a required position in the pause screen.
In the subsequent step S110, the video controller 38 determines the temporarily stopped still image as a trimming reference image position (trimming reference point TC) when automatic trimming is performed.
At this time, when the pause screen is advanced by operating the jog dial 303 provided on the video camera body 200, for example, when the still image of the paused screen is automatically trimmed. The trimming reference image position (trimming reference point TC) is determined.
[0177]
In the following step S111, it is determined whether or not the “execute” button BT5 shown in FIG. 14C has been operated. If it is determined that the “execute” button BT5 has been operated, the process proceeds to step S112. Based on the address of the trimming reference point TC, the trimming times T1 and T2, and the reproduction time information for each cluster and sector, the new track start address and end address are obtained.
In the subsequent step S113, index information about thumbnail image data obtained from the frame image data corresponding to the trimming reference point TC is generated.
[0178]
In step S114, the management information is updated using the start address and end address of the new track obtained in step S112 and the index information generated in step S113. At this time, a display indicating that the track has been trimmed may be displayed on the display panel 67.
[0179]
Then, after the processing in step S114 is completed, the process proceeds to step S115 to determine whether or not to continue the automatic trimming editing.
If a positive result is obtained here, the process returns to step S101 to continue the automatic trimming editing process described so far.
On the other hand, when a negative result is obtained, the automatic trimming editing process according to the present embodiment ends.
[0180]
10. Batch trim editing
Further, in the automatic trimming editing of the present embodiment described so far, for example, when a large number of tracks are formed on one disc and all of the tracks are the target tracks for trimming editing, one by one. It is necessary to perform trim editing on one track.
Specifically, for example, when a large number of tracks in which images of golf swings and the like of each player are recorded are formed on one disc and each track is trimmed and edited, and the impact image of each player is trimmed, It is necessary to perform trim editing for each of the tracks.
Therefore, in this embodiment, it is possible to perform batch trimming editing that enables batch trimming editing in such a case.
FIG. 17 shows an example of batch trimming editing as the present embodiment.
Here, as shown in FIG. 17A, it is assumed that tracks # 1 and # 2 shown in FIG. 17A are selected as tracks to be automatically trimmed from the tracks recorded on the disc. To do.
In this case, when the operation for batch trimming is determined by a required operation under the condition that the tracks # 1 and # 2 are selected, the start address A11 and the end address A15 for the track # 1 are determined. The address A13 of the temporal center position of the track # 1 is obtained. For track # 2, the address A23 of the temporal center position of track # 2 is obtained from its start address A21 and end point address A25.
[0181]
The addresses of the temporal center positions of these tracks # 1 and # 2 are recognized as trimming reference points TC1 and TC2, and the trimming reference points TC1 and TC2 correspond to the set trimming setting times T1 and T2. The address is changed and set to be the start address and end address of each track.
[0182]
That is, as shown in FIG. 17B, the management information is rewritten so that the start address of track # 1 is changed from address A11 to A12, and the end address is changed from address A15 to A14. I am doing so.
Similarly, the management address is rewritten (overwritten or added) so that the start address of track # 2 is changed from address A21 to A22 and the end address is changed from address A25 to A24. Yes.
[0183]
Therefore, according to such batch trimming editing, for example, when a large number of tracks are formed on one disc and a plurality of tracks are the target tracks for trimming editing, one track at a time. It is not necessary to perform a cumbersome operation of trimming editing every time.
However, since the trimming reference points TC1 and TC2 (trimming reference image positions) in this case are images located at the temporal center of the track, the images of the trimming reference points TC1 and TC2 may vary depending on the recording method of each track. It does not always match the target image. For example, when a golf swing image is stored in each track, the images of the trimming reference points TC1 and TC2 are not necessarily images at the moment of impact.
Therefore, when performing such batch trimming editing, if the trimming setting times T1 and T2 are set to a certain extent in advance, the target image is surely included in the track after trimming editing. Can do.
[0184]
Also, in such a batch trimming editing operation, information on the management area is combined so that the image of the recognized trimming reference points TC1 and TC2 becomes a thumbnail image of a new track after trimming editing. Needless to say, it can be updated.
[0185]
In the video camera of the present embodiment, the functions of automatic trimming editing and batch trimming editing described so far may be provided independently as trimming editing functions. However, these automatic trimming editing and batch trimming editing are trimmed. Of course, it is possible to provide an editing function, or to provide a conventional trimming editing function together with the automatic trimming editing and the batch trimming editing.
[0186]
Further, the present invention is not limited to the above-described configuration, and various changes can be made.
For example, the compression format of the moving image data is not limited to the MPEG system including MPEG2, and a compression technique of another system may be adopted. Further, the recording format is not limited to the example shown as the embodiment. Further, the present invention can be applied not only to moving image data but also to trimming editing of audio data, for example.
Further, for example, as a storage medium to which the present invention is applicable, the present invention can be applied to a video camera apparatus corresponding to a storage medium using a memory element such as a disk medium other than MD or a flash memory. Furthermore, the present invention can be applied to a video camera device compatible with a tape medium.
Further, the present invention can be applied not only to video equipment but also to various other audio / video equipment capable of recording and reproducing corresponding to a predetermined type of storage medium.
[0187]
【The invention's effect】
As described above, according to the present invention, when trimming editing is performed for a track stored in a storage medium, the intermediate means of the dynamic data to be trimmed is indicated by the instruction means, so that the control means can perform this. Updating the management data in the management area so as to manage a new track that includes the middle part of the track designated by the instructing means and that excludes the data for a predetermined time at the head and rear ends of this track. Is possible. Therefore, according to the present invention, it is not necessary to specify two points (start point and end point) of dynamic data to be trimmed as in the prior art, and trim editing is performed by a simple operation of designating an intermediate portion of dynamic data. Will be able to.
[0188]
Also, since the first time and the second time can be set by the time setting means, and the time of a new track after trimming editing can be set based on the first and second times, the track It becomes possible to perform trimming editing in accordance with the contents of.
In addition, since the time of the tracks after trimming editing can be made the same, it becomes very easy to see when these tracks are continuously reproduced.
[0189]
Furthermore, if the management data is updated by the control means so that the management data for managing the track manages a new track, the recording area of the storage medium can be used effectively.
If management data for managing a new track is newly stored in the management area by the control means, for example, a plurality of dynamic data can be trimmed and edited from one track.
[0190]
Still further, when trimming editing is executed by the control means, the still image corresponding to the middle part of the track is controlled to be managed as a still image corresponding to the new track. It is not necessary to separately perform editing work for changing, and the editing time can be shortened.
Since the edited still image is an image designated by the user, the user can visually recognize the contents of the track stored in the storage medium from such a still image.
[0191]
In the present invention, when performing trimming editing for a track stored in a storage medium, only the track to be trimmed is instructed by the instructing unit, the central portion of the track instructed by the instructing unit is included, and the track It is also possible to form a new track from which the data for a predetermined time at the head and rear ends of the track are removed. Thus, for example, when there are a plurality of tracks in which the same type of image is stored in one storage medium, when trimming editing is performed on these tracks, trimming editing is performed with a very simple operation. Is possible.
[0192]
Further, if the function of the editing apparatus of the present invention is provided in, for example, a video camera, it is not necessary to perform editing in another editing apparatus such as a personal computer, so that a video camera that is convenient for the user can be provided. Can be provided.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a track structure of a disc corresponding to a video camera according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing an enlarged track portion of a disc corresponding to the video camera of the embodiment;
FIG. 3 is an explanatory diagram showing specifications of a disc corresponding to the video camera of the embodiment.
FIG. 4 is a block diagram of an internal configuration of the video camera according to the embodiment.
FIG. 5 is a block diagram of an internal configuration of a media drive unit of the video camera according to the embodiment.
6A and 6B are a side view and a plan view of the video camera according to the embodiment.
FIGS. 7A and 7B are a front view and a rear view of the video camera according to the embodiment. FIGS.
FIG. 8 is a perspective view showing the movement of the movable panel unit.
FIG. 9 is an explanatory diagram showing an example of file / folder management in a disc.
FIG. 10 is a conceptual diagram showing an example of a data structure in a disc corresponding to the embodiment.
FIG. 11 is an explanatory diagram illustrating a display form example of an operation screen (thumbnail display) in the video camera according to the present embodiment;
FIG. 12 is an explanatory diagram showing an operation example for a playback menu key.
FIG. 13 is an explanatory diagram showing an operation procedure for setting an automatic trimming mode according to the present embodiment by a display form of a display panel unit;
FIG. 14 is an explanatory diagram showing an operation procedure under the automatic trimming mode according to the present embodiment in a display form of the display panel unit.
FIG. 15 is an explanatory diagram of an automatic trimming mode according to the present embodiment.
FIG. 16 is a flowchart showing an automatic trimming edit process according to the present embodiment.
FIG. 17 is an explanatory diagram of a batch trimming mode according to the present embodiment.
[Explanation of symbols]
1 lens block, 2 camera block, 3 video signal processing unit, 4 media drive unit, 5 deck unit, 6 display / image / audio input / output unit, 6A display unit, 6B touch panel, 7 operation unit, 8 external interface, 9 power supply Block, 11 optical system, 12 motor section, 22 sample hold / AGC circuit, 23 A / D converter, 24 timing generator, 25 camera controller, 31 data processing / system control circuit, 32 buffer memory, 33 video signal processing circuit, 34 Memory, 35 Motion detection circuit, 36 Memory, 37 Audio compression encoder / decoder, 38 Video controller, 41 MD-DATA2 encoder / decoder, 42 Buffer memory, 43 Binarization circuit, 44 RF signal processing circuit, 45 Servo circuit, 46 driver Controller, 51 Disk, 52 Spindle motor, 53 Optical head, 54 Magnetic head, 55 Thread motor, 61 Video D / A converter, 62 Display controller, 63 Composite signal processing circuit, 64 A / D converter, 65 D / A converter, 66 Amplifier, 67 Display panel, 101 RF amplifier, 103 AGC / clamp circuit, 104 Equalizer / PLL circuit, 105 Viterbi decoder, 106 RLL (1, 7) demodulation circuit, 107 Matrix amplifier, 108 ADIP bandpass filter, 109 A / B Track detection circuit, 110 ADIP decoder, 111 CLV processor, 112 servo processor, 113 servo driver, 114 data bus, 115 scramble / EDC encoding circuit, 116 ECC processing circuit, 17 Descramble / EDC decode circuit, 118 RLL (1, 7) modulation circuit, 119 Magnetic head drive circuit, 120 Laser driver, 121 Transfer clock generation circuit, 201 Camera lens, 202 microphone, 203 Movable panel section, 204 Viewfinder, 205 Speaker, 210 Disc insertion / removal unit, 300 Main dial, 301 Release key, 302 Delete key, 303 Jog dial, 304 Photo key, 305 Zoom key, 306 Focus key, 307 Back light correction key, 308 Play / pause key, 309 Stop key, 310 Slow playback key, 311, 312 search key, 313 recording key, 314 screen display key, 315, 316 Volume key, 320 pen, 400 server, A-1 information display area, A-2 thumbnail display Rear, A-3 menu key area, A-4 scroll bar, A5 track information display area, i1 to i10, i20 to i21 (displayed on thumbnail image) icon, Ld land, NWG non-wobbled groove, WG wobble Groove, Tr / A, Tr / B tracks

Claims (6)

Reproduction that reproduces the track according to the management data stored in the management area from a storage medium that stores a data area and a management area that manages dynamic data of a predetermined unit stored in the data area as a track Means,
Indicating means for indicating the middle part of the track;
Management data in the management area so as to manage a new track including an intermediate portion of the track instructed by the instructing means and excluding data for a predetermined time at the head and rear ends of the track. Control means for updating
An editing apparatus comprising: A time setting means capable of setting the first time and the second time;
The control means includes
The management data in the management area is managed so that a new track is managed with the first time before the middle part as a new head part and the second time after the middle part as a new rear edge part. The editing apparatus according to claim 1, wherein the editing apparatus is updated. The control means includes
2. The editing apparatus according to claim 1, wherein the management data for managing the track is updated so that the new track is managed. The control means includes
2. The editing apparatus according to claim 1, wherein new management data for managing the new track is stored in the management area. The management data manages a part of the still image of the track for each track,
And further comprising display means for displaying the still image and dynamic data of the track reproduced by the reproducing means,
When the still image is instructed by the instruction means, the reproduction means reproduces the track corresponding to the still image,
The control means includes
Management data for managing a new track having a new head portion before the first time from the intermediate portion and a new rear edge portion after the second time from the intermediate portion is stored in the management area, and 2. The editing apparatus according to claim 1, wherein control is performed so that still images corresponding to the intermediate portion are managed as still images corresponding to the new track. Reproduction that reproduces the track according to the management data stored in the management area from a storage medium that stores a data area and a management area that manages dynamic data of a predetermined unit stored in the data area as a track Means,
Indicating means for indicating at least one of the tracks;
Management data in the management area so as to manage a new track including the central portion of the track instructed by the instructing means and excluding data for a predetermined time at the head and rear ends of the track. Control means for updating
An editing apparatus comprising:

Images