JP4370159B2 - フィールド番組送達における改善策 - Google Patents
フィールド番組送達における改善策 Download PDFInfo
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- JP4370159B2 JP4370159B2 JP2003504683A JP2003504683A JP4370159B2 JP 4370159 B2 JP4370159 B2 JP 4370159B2 JP 2003504683 A JP2003504683 A JP 2003504683A JP 2003504683 A JP2003504683 A JP 2003504683A JP 4370159 B2 JP4370159 B2 JP 4370159B2
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- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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Description
デジタルテレビシステム500の概要は図1に示されている。後述されるように、システム500は、すべて以下に説明するように、放送センタ1000、受信機/デコーダ2000、該受信機/デコーダのソフトウェア/ハードウェアアーキテクチャ3000、対話型システム4000、及び条件付きアクセスシステム5000を備える。
図3を参照すると、概要において、条件付きアクセスシステム5000は、加入者許可システム(SAS)5200を含んでいる。SAS 5200は1つまたは複数の加入者管理システム(SMS)1100、放送供給者ごとに1つのSMSに、TCP−IPリンクまたは他の種類のリンクであってよいリンク1044によって接続される。代わりに、1つのSMSは2つの商業的な事業者の間で共用されるか、あるいは1つの事業者が2つのSMSを使用することがあるだろう。
図4を参照すると、受信機/デコーダ2000の多様な要素をここで機能ブロックという点で説明する。
図5に関しては、受信機/デコーダのソフトウェア/ハードウェアアーキテクチャ3000が、ソフトウェアが任意の受信機/デコーダにおいて、及び任意のオペレーティングシステムと実現できるように編成された5つのソフトウェア層を含む。多様なソフトウェア層は、アプリケーション層3100、アプリケーションプログラミングインタフェース(API)層3300、仮想機械層3500、デバイスインタフェース層3700(多くの場合単に「デバイス層」と略される)、及びシステムソフトウェア/ハードウェア層3900である。
前述されたように、受信機/デコーダのユーザの制御下で、多様な種類の番組が後で視聴するために受信機/デコーダ内のハードディスクに録画できる。受信機/デコーダは多様な特定の番組またはジャンルの番組を録画するために事前にプログラミングすることもできるが、本来プロセスはビデオ録画動作のままである。
受信機/デコーダに局所的に記憶されているコンテンツに完全に基づき、それから生成される、あるいは異なるライブストリーム(このケースでの仮想チャネルは各ストリームの部分から構成されている)で送信される同時コンテンツに基づくかのどちらかの仮想チャネルの提供をここで説明する(両方の態様を結合するハイブリッドシステムも考えられる)。
前述されたように、チャネルの間で選ぶための仮想チャネルアルゴリズムは、アプリケーションに特殊な規則、一般的な規則及びユーザが定義した規則を含んでよい多様な規則を使用する。これらの規則は、通常、店舗から検索される、あるいは番組の中断中の制御データとともに受信されるかのどちらかであってよい。
一式の仮想チャネルプレイバック規則は、デフォルトによって仮想チャネルマネージャアプリケーションとともに提供され、アプリケーションの残りとともに受信機/デコーダに送信される(あるいは、アプリケーションが非放送手段によって供給される場合は、アプリケーションを提供される)。これらは、アプリケーションの作者によって作成された規則であってよいか、あるいは広告主または他のコンテンツプロバイダによって決定されてよい。いったんインストールまたはロードされると、規則は仮想チャネルマネージャアプリケーションの一部としてハードディスク2100に記憶される。好適実施形態の変形では、規則はフラッシュメモリの中に(例えば、付加的なセキュリティ及び可搬性のためにスマートカード上に)、あるいは(大量記憶装置またはフラッシュメモリが便利に使用できない場合には)通常のRAMに保持される。
Claims (3)
- デジタルテレビジョンシステムの受信機/デコーダであって、
それぞれ複数の番組を含む複数の放送チャネルを受信する手段と、
受信した複数の番組を記憶する手段と、
記憶された前記複数の番組から第1の番組を出力するために選択する手段と、
番組シーケンス規則を記憶する手段と
を有し、
前記選択する手段は、あるタイムスロットの間に出力するために、記憶された少なくとも1つの番組を選択しなければならないことを示す前記受信機/デコーダが受信した放送メッセージ中の、出力するために選択される記憶された前記番組のカテゴリーを特定する識別子と、前記タイムスロットの間に出力するために選択される記憶された番組の最大数と最小数とを示す識別子とに応じて、前記最大数と最小数とを制限する前記番組シーケンス規則を適用して前記第1の番組を選択する受信機/デコーダ。 - 選択される記憶された番組のログファイルを生成する手段をさらに有する、請求項1に記載の受信機/デコーダ。
- 少なくとも1つのユーザプロファイルを記憶する手段をさらに有し、
前記選択する手段は、前記少なくとも1つのユーザプロファイルと、記憶された前記複数の番組と関連付けられた制御データとの関数として、前記第1の番組を選択し、前記制御データは前記第1の番組のプロファイルデータを含み、前記第1の番組の選択は前記プロファイルデータが前記ユーザプロファイルと一致することにより行う、請求項1に記載の受信機/デコーダ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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EP01401512 | 2001-06-11 | ||
EP01306315A EP1267579A3 (en) | 2001-06-11 | 2001-07-23 | MPEG table structure |
EP01402202A EP1286262A1 (en) | 2001-08-21 | 2001-08-21 | Optimising the performance of an operating system of a receiver/decoder |
EP01309218A EP1267572A2 (en) | 2001-06-11 | 2001-10-31 | Improvements in the field of programme delivery |
PCT/IB2002/003232 WO2002102082A2 (en) | 2001-06-11 | 2002-06-11 | Improvements in the field programme delivery |
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JP2005516430A JP2005516430A (ja) | 2005-06-02 |
JP4370159B2 true JP4370159B2 (ja) | 2009-11-25 |
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JP2003504683A Expired - Fee Related JP4370159B2 (ja) | 2001-06-11 | 2002-06-11 | フィールド番組送達における改善策 |
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EP (3) | EP1267572A2 (ja) |
JP (1) | JP4370159B2 (ja) |
KR (1) | KR100960573B1 (ja) |
CN (2) | CN1605205A (ja) |
AT (1) | ATE536043T1 (ja) |
AU (1) | AU2002348896A1 (ja) |
CA (1) | CA2450417C (ja) |
GB (1) | GB0209120D0 (ja) |
MY (1) | MY143609A (ja) |
RU (1) | RU2329614C2 (ja) |
WO (1) | WO2002102082A2 (ja) |
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2001
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2002
- 2002-04-22 GB GBGB0209120.5A patent/GB0209120D0/en not_active Ceased
- 2002-06-11 KR KR1020037016229A patent/KR100960573B1/ko active IP Right Grant
- 2002-06-11 EP EP06075551A patent/EP1667452B1/en not_active Expired - Lifetime
- 2002-06-11 AT AT06075551T patent/ATE536043T1/de active
- 2002-06-11 CN CNA028153405A patent/CN1605205A/zh active Pending
- 2002-06-11 WO PCT/IB2002/003232 patent/WO2002102082A2/en not_active Application Discontinuation
- 2002-06-11 JP JP2003504683A patent/JP4370159B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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AU2002348896A1 (en) | 2002-12-23 |
WO2002102082A2 (en) | 2002-12-19 |
RU2003136754A (ru) | 2005-05-27 |
MY143609A (en) | 2011-06-15 |
EP1667452A3 (en) | 2009-02-11 |
EP1267572A2 (en) | 2002-12-18 |
EP1396151A2 (en) | 2004-03-10 |
RU2329614C2 (ru) | 2008-07-20 |
CA2450417C (en) | 2011-11-29 |
EP1667452A2 (en) | 2006-06-07 |
WO2002102082A3 (en) | 2003-03-13 |
EP1667452B1 (en) | 2011-11-30 |
KR20040007697A (ko) | 2004-01-24 |
JP2005516430A (ja) | 2005-06-02 |
CA2450417A1 (en) | 2002-12-19 |
KR100960573B1 (ko) | 2010-06-03 |
CN102158750A (zh) | 2011-08-17 |
CN102158750B (zh) | 2014-03-05 |
GB0209120D0 (en) | 2002-05-29 |
ATE536043T1 (de) | 2011-12-15 |
CN1605205A (zh) | 2005-04-06 |
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