JP2001057059A5 - - Google Patents
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- JP2001057059A5 JP2001057059A5 JP1999217446A JP21744699A JP2001057059A5 JP 2001057059 A5 JP2001057059 A5 JP 2001057059A5 JP 1999217446 A JP1999217446 A JP 1999217446A JP 21744699 A JP21744699 A JP 21744699A JP 2001057059 A5 JP2001057059 A5 JP 2001057059A5
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- JP
- Japan
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- data
- video data
- recording
- additional audio
- audio data
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- 230000003287 optical Effects 0.000 description 14
- 230000001360 synchronised Effects 0.000 description 7
Description
【特許請求の範囲】
【請求項１】データ書き換え可能な光ディスクに音声データと映像データを記録した後、記録済みの映像データに合わせて音声データを追加記録する音声追加記録方法であって、
追加音声データの同期対象となる映像データに付随して記録された情報中に、追加音声が存在することを示す識別情報が挿入されるようデータを書き換え、
映像データとの同期をとるため、データをいつ再生すべきかを示すタイムスタンプを追加音声データに付加することを特徴とする音声追加記録方法。
【請求項２】 請求項１記載の音声追加記録方法において、
前記追加音声データの記録を光ディスクに記録された最後尾データの後から開始することを特徴とする音声追加記録方法。
【請求項３】 請求項１または２記載の音声追加記録方法において、
再生時に、映像データに付随した情報から前記識別情報を検出した場合、この映像データに付加されたタイムスタンプと追加音声データに付加されたタイムスタンプに基づいて映像データと追加音声データとを同期再生することを特徴とする音声追加記録方法。
【請求項４】 データ書き換え可能な光ディスクに音声データと映像データを記録した後、記録済みの映像データに合わせて音声データを追加記録する光ディスク記録再生装置であって、
追加音声データの同期対象となる映像データに付随して記録された情報中に、追加音声が存在することを示す識別情報が挿入されるようデータを書き換え、映像データとの同期をとるため、データをいつ再生すべきかを示すタイムスタンプを追加音声データに付加することを特徴とする光ディスク記録再生装置。
【請求項５】 請求項４記載の光ディスク記録再生装置において、
前記追加音声データの記録を光ディスクに記録された最後尾データの後から開始することを特徴とする光ディスク記録再生装置。
【請求項６】 請求項４または５記載の光ディスク記録再生装置において、
再生時に、映像データに付随した情報から前記識別情報を検出した場合、この映像データに付加されたタイムスタンプと追加音声データに付加されたタイムスタンプに基づいて映像データと追加音声データとを同期再生することを特徴とする光ディスク記録再生装置。
【請求項７】 請求項６記載の光ディスク記録再生装置において、
光ディスクからデータを読み出す読出手段と、
光ディスクにデータを書き込む書込手段と、
読出手段によって読み出された映像データと音声データとを同期再生する同期再生手段と、
追加音声データの記録時、同期対象となる映像データに付随した情報に前記識別情報が挿入されるよう書込手段にデータ書き換えを指示すると共に、前記タイムスタンプを付加した追加音声データを光ディスクの最後尾データの後から記録開始するよう書込手段に指示し、再生時に、映像データに付随した情報から前記識別情報を検出した場合、この映像データに付加されたタイムスタンプと追加音声データに付加されたタイムスタンプに基づいて映像データと追加音声データとを同期再生するよう同期再生手段に指示する制御手段と
を有することを特徴とする情報再生装置。
[Claims]
1. An audio additional recording method in which audio data and video data are recorded on a data rewritable optical disc, and then audio data is additionally recorded according to the recorded video data.
Rewrite the data so that the identification information indicating the existence of the additional audio is inserted in the information recorded accompanying the video data to be synchronized with the additional audio data.
Added a time stamp to the audio data to indicate when the data should be played in order to synchronize with the video data.AddAn additional audio recording method characterized by the fact that.
2. In the voice additional recording method according to claim 1,
An audio additional recording method characterized in that recording of the additional audio data is started after the last data recorded on the optical disc.
3. In the voice additional recording method according to claim 1 or 2.
When the identification information is detected from the information attached to the video data during playback, the video data and the additional audio data are synchronizedly reproduced based on the time stamp added to the video data and the time stamp added to the additional audio data. An additional audio recording method characterized by
4. An optical disc recording / playback device that records audio data and video data on a data-rewritable optical disc, and then additionally records the audio data according to the recorded video data.
Data to be synchronized with the additional audio data To synchronize with the video data by rewriting the data so that the identification information indicating the existence of the additional audio is inserted in the information recorded accompanying the video data to be synchronized. An optical disk recording / playback device characterized by adding a time stamp indicating when to play back to additional audio data.
5. In the optical disc recording / playback device according to claim 4.
An optical disc recording / playback device characterized in that recording of the additional audio data is started after the last data recorded on the optical disc.
6. In the optical disc recording / reproducing device according to claim 4 or 5.
When the identification information is detected from the information attached to the video data during playback, the video data and the additional audio data are synchronizedly reproduced based on the time stamp added to the video data and the time stamp added to the additional audio data. An optical disk recording / playback device characterized by
7. In the optical disc recording / reproducing device according to claim 6.
A reading means for reading data from an optical disk and
A writing means for writing data to an optical disk and
Synchronous playback means for synchronous playback of video data and audio data read by the reading means,
When recording the additional audio data, the writing means is instructed to rewrite the data so that the identification information is inserted into the information accompanying the video data to be synchronized, and the additional audio data with the time stamp is added to the end of the optical disk. When the writing means is instructed to start recording after the tail data and the identification information is detected from the information attached to the video data during playback, it is added to the time stamp added to the video data and the additional audio data. A control means that instructs the synchronous playback means to synchronize the video data and the additional audio data based on the time stamp.
An information reproduction device characterized by having.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21744699A JP4223151B2 (en) | 1999-07-30 | 1999-07-30 | Audio additional recording method and optical disk recording / reproducing apparatus |
| KR1020000044059A KR100345488B1 (en) | 1999-07-30 | 2000-07-29 | Methods for additional recording audio data to optical disk and reproducing the same theret from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21744699A JP4223151B2 (en) | 1999-07-30 | 1999-07-30 | Audio additional recording method and optical disk recording / reproducing apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001057059A JP2001057059A (en) | 2001-02-27 |
| JP2001057059A5 true JP2001057059A5 (en) | 2007-04-26 |
| JP4223151B2 JP4223151B2 (en) | 2009-02-12 |
Family
ID=16704375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21744699A Expired - Fee Related JP4223151B2 (en) | 1999-07-30 | 1999-07-30 | Audio additional recording method and optical disk recording / reproducing apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4223151B2 (en) |
| KR (1) | KR100345488B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4689525B2 (en) * | 2006-04-18 | 2011-05-25 | キヤノン株式会社 | Recording device |
| EP1860866A1 (en) * | 2006-05-26 | 2007-11-28 | British Telecommunications Public Limited Company | Audio-visual reception |
| JP2008269747A (en) * | 2007-04-25 | 2008-11-06 | Hitachi Ltd | Recording and reproducing device |
| KR101102089B1 (en) * | 2008-12-12 | 2012-01-04 | 한국과학기술원 | Apparatus and method for time stamping in physical layer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3552249B2 (en) * | 1993-07-09 | 2004-08-11 | ソニー株式会社 | Image and audio signal processing method and apparatus |
| JPH1075424A (en) * | 1996-08-29 | 1998-03-17 | Sony Corp | Recording/reproduction device for compressed image data and compressed audio data, recording medium and transmission system |
| KR100294880B1 (en) * | 1998-02-17 | 2002-04-17 | 윤종용 | Image recording method of adding voice data to still image |
-
1999
- 1999-07-30 JP JP21744699A patent/JP4223151B2/en not_active Expired - Fee Related
-
2000
- 2000-07-29 KR KR1020000044059A patent/KR100345488B1/en not_active IP Right Cessation
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