JP2003134461A5 - - Google Patents
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- JP2003134461A5 JP2003134461A5 JP2002200423A JP2002200423A JP2003134461A5 JP 2003134461 A5 JP2003134461 A5 JP 2003134461A5 JP 2002200423 A JP2002200423 A JP 2002200423A JP 2002200423 A JP2002200423 A JP 2002200423A JP 2003134461 A5 JP2003134461 A5 JP 2003134461A5
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- Prior art keywords
- information
- change point
- recording
- copy
- video
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Claims (32)
前記検出手段により検出された前記コピー制限情報に基づいて、記録される映像情報に対応するコピー制限情報の変化点情報を取得する変化点情報取得手段と、
前記変化点情報取得手段により取得された前記変化点情報に基づいて前記コピー制限情報を管理するための管理情報を生成する管理情報生成手段と、
前記管理情報生成手段により生成された前記管理情報を映像情報と共に記録する記録手段と
を備えたことを特徴とする映像情報記録装置。Detection means for detecting copy restriction information from input video information;
Change point information acquisition means for acquiring change point information of copy restriction information corresponding to recorded video information based on the copy restriction information detected by the detection means;
Management information generating means for generating management information for managing the copy restriction information based on the change point information acquired by the change point information acquiring means;
A video information recording apparatus comprising: recording means for recording the management information generated by the management information generating means together with video information.
を更に備えたことを特徴とする請求項1記載の映像情報記録装置。The video information recording apparatus according to claim 1, further comprising: falsification preventing processing means for performing falsification preventing processing on the management information generated by the management information generating means.
前記認識手段により認識されたコピー可能なストリーム部分に基づいて、コピーする区間のストリーム部分からなる新たなデータストリームを作成するデータストリーム作成手段と、
を備えたことを特徴とする映像情報再生装置。Recognizing means for recognizing a copyable stream portion on a data stream recorded on a recording medium from management information for managing copy restriction information;
Data stream creating means for creating a new data stream composed of the stream portion of the section to be copied based on the copyable stream portion recognized by the recognition means;
A video information reproducing apparatus comprising:
を更に備えたことを特徴とする請求項7記載の映像情報再生装置。8. The video information reproducing apparatus according to claim 7, further comprising management information generating means for generating management information for reproduction in the copyable stream portion recognized by the recognizing means.
を更に備えたことを特徴とする請求項7記載の映像情報再生装置。The video information reproducing apparatus according to claim 7, further comprising: a transmitting unit that transmits the new data stream created by the data stream creating unit.
前記送信手段は、前記管理情報生成手段により生成された前記管理情報を送信することを特徴とする請求項9記載の映像情報再生装置。Management information generation means for generating management information for reproduction in the copyable stream portion recognized by the recognition means;
The video information reproducing apparatus according to claim 9, wherein the transmitting unit transmits the management information generated by the management information generating unit.
変化した前記コピー制限情報または前記ウォーターマークの変化点情報を取得し、
取得された前記変化点情報に基づいて前記コピー制限情報または前記ウォーターマークを管理する管理情報を作成することを特徴とする記録方法。Check whether the copy restriction information or watermark content in the input signal has changed,
Obtain the changed copy restriction information or the change point information of the watermark,
A recording method comprising creating management information for managing the copy restriction information or the watermark based on the acquired change point information.
改竄されたことを検出した場合には、データストリームの記録を禁止することを特徴とする請求項12記載の記録方法。Detecting a code indicating that the content of the management information has not been tampered with;
13. The recording method according to claim 12, wherein recording of the data stream is prohibited when it is detected that the data has been tampered with.
変化した前記EMIの変化点情報を取得し、
取得された前記変化点情報に基づいてコピー制限情報を管理するための管理情報を作成することを特徴とする記録方法。Check whether the content of EMI (Encryption Mode Indicator) in the isochronous packet of the input signal has changed,
Obtain the change point information of the changed EMI,
A recording method for creating management information for managing copy restriction information based on the acquired change point information.
前記プログラムは、
入力される映像情報からコピー制限情報を検出する処理と、
検出された前記コピー制限情報から当該コピー制限情報の変化点情報を取得する処理と、
取得された前記変化点情報に基づいて前記コピー制限情報を管理するための管理情報を生成する処理と
を実行させることを特徴とする記憶媒体。A computer-readable storage medium storing a program to be executed by a computer,
The program is
Processing to detect copy restriction information from input video information;
Processing for obtaining change point information of the copy restriction information from the detected copy restriction information;
A process for generating management information for managing the copy restriction information based on the acquired change point information.
入力される映像情報からコピー制限情報を検出する機能と、
検出された前記コピー制限情報から当該コピー制限情報の変化点情報を取得する機能と、
取得された前記変化点情報に基づいて前記コピー制限情報を管理するための管理情報を生成する機能と
を実現させるためのプログラム。On the computer,
A function to detect copy restriction information from input video information;
A function of acquiring change point information of the copy restriction information from the detected copy restriction information;
And a function for generating management information for managing the copy restriction information based on the acquired change point information.
を更に実現させることを特徴とする請求項17記載のプログラム。The program according to claim 17, further realizing a function of recording the generated management information in an area different from video information to be copied.
情報記録領域には、
一つのストリームと当該ストリームの付属情報とのペアを一つのオブジェクトとするクリップ(Clip)の中で、ストリームファイルであるクリップストリームファイルと当該付属情報であるクリップインフォメーションファイルとが記録され、
前記クリップインフォメーションファイルは、前記ストリームにおけるコピー制限情報の変化点を管理する管理情報を含むことを特徴とする記録媒体。A recording medium read by a signal processing device,
In the information recording area,
In a clip (Clip) having a pair of one stream and the attached information of the stream as an object, a clip stream file that is a stream file and a clip information file that is the attached information are recorded,
The clip information file includes management information for managing a change point of copy restriction information in the stream.
前記更新部から出力されるコピー制御情報の値が変化する位置を示す変化点情報を生成するコントローラと、
前記変化点情報を前記映像情報とともに記録媒体に記録する記録部と
を有する映像情報記録装置。An update unit that outputs copy control information updated based on copy control information detected from input video information;
A controller that generates change point information indicating a position where the value of the copy control information output from the update unit changes;
A video information recording apparatus comprising: a recording unit that records the change point information together with the video information on a recording medium.
前記チェックデータを前記データストリーム、および前記変化点情報とともに記録媒体に記録する記録部と
を有する映像情報記録装置。A controller that generates change point information indicating a position where a copy control mode changes in a data stream to be recorded, and generates check data based on a predetermined algorithm based on the change point information;
A video information recording apparatus comprising: a recording unit that records the check data on a recording medium together with the data stream and the change point information.
前記更新されたコピー制御情報の値が変化する位置を示す変化点情報を生成し、
前記変化点情報を前記映像情報とともに記録媒体に記録する
ことを特徴とする映像情報記録方法。Output the copy control information updated based on the copy control information detected from the input video information,
Generating change point information indicating a position where the value of the updated copy control information changes;
The video information recording method, wherein the change point information is recorded on a recording medium together with the video information.
前記チェックデータを前記データストリーム、および前記変化点情報とともに記録媒体に記録する
ことを特徴とする映像情報記録方法。Generating change point information indicating a position where the copy control mode of the data stream to be recorded changes, and generating check data based on a predetermined algorithm based on the change point information;
The video data recording method, wherein the check data is recorded on a recording medium together with the data stream and the change point information.
前記変化点情報を前記映像情報とともに記録媒体に記録する記録部と
を有する映像情報記録装置。A controller that generates change point information indicating a position where a copy control mode of video information to be recorded changes;
A video information recording apparatus comprising: a recording unit that records the change point information together with the video information on a recording medium.
前記変化点情報を前記映像情報とともに記録媒体に記録する
ことを特徴とする映像情報記録方法。Change point information indicating the position where the copy control mode of the video information to be recorded changes,
The video information recording method, wherein the change point information is recorded on a recording medium together with the video information.
前記コントローラで生成された前記情報を前記ソースパケット列とともに記録する記録部と
からなることを特徴とする映像情報記録装置。A controller that generates information indicating whether or not copying is possible for each section in which a value of the copy control information does not change in a series of source packet sequences to be recorded;
A video information recording apparatus comprising: a recording unit that records the information generated by the controller together with the source packet sequence.
生成された前記情報を前記ソースパケット列とともに記録する
ことを特徴とする映像情報記録方法。For each section in which a value of the copy control information does not change in a series of recorded source packet sequences, information indicating whether or not copying in the section is generated,
Recording the generated information together with the source packet sequence.
前記複数の単位の各々が有するコピー制御情報の内容は一定であることを特徴とするデータ構造。A data structure characterized in that the content of copy control information included in each of the plurality of units is constant.
前記複数の単位の各々が有するコピー制御情報の内容は一定であることを特徴とする記録媒体。The content of copy control information included in each of the plurality of units is constant.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002200423A JP4333091B2 (en) | 2001-07-13 | 2002-07-09 | VIDEO INFORMATION RECORDING DEVICE, RECORDING METHOD, STORAGE MEDIUM, PROGRAM, AND VIDEO INFORMATION RECORDING METHOD |
TW091115320A TWI239511B (en) | 2001-07-13 | 2002-07-10 | Video information recording device and reproducing device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001214540 | 2001-07-13 | ||
JP2001-214540 | 2001-07-13 | ||
JP2002200423A JP4333091B2 (en) | 2001-07-13 | 2002-07-09 | VIDEO INFORMATION RECORDING DEVICE, RECORDING METHOD, STORAGE MEDIUM, PROGRAM, AND VIDEO INFORMATION RECORDING METHOD |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2003134461A JP2003134461A (en) | 2003-05-09 |
JP2003134461A5 true JP2003134461A5 (en) | 2005-10-27 |
JP4333091B2 JP4333091B2 (en) | 2009-09-16 |
Family
ID=26618747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002200423A Expired - Fee Related JP4333091B2 (en) | 2001-07-13 | 2002-07-09 | VIDEO INFORMATION RECORDING DEVICE, RECORDING METHOD, STORAGE MEDIUM, PROGRAM, AND VIDEO INFORMATION RECORDING METHOD |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4333091B2 (en) |
TW (1) | TWI239511B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7644282B2 (en) | 1998-05-28 | 2010-01-05 | Verance Corporation | Pre-processed information embedding system |
US6737957B1 (en) | 2000-02-16 | 2004-05-18 | Verance Corporation | Remote control signaling using audio watermarks |
US20060239501A1 (en) | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
KR20050080869A (en) | 2004-02-11 | 2005-08-18 | 엘지전자 주식회사 | Method for managing and reproducing a file information of high density optical disc |
KR100636781B1 (en) | 2004-12-13 | 2006-10-23 | 삼성전자주식회사 | Digital recording device for detecting copy prevent signal and method thereof |
US8020004B2 (en) | 2005-07-01 | 2011-09-13 | Verance Corporation | Forensic marking using a common customization function |
US9323902B2 (en) | 2011-12-13 | 2016-04-26 | Verance Corporation | Conditional access using embedded watermarks |
US9106964B2 (en) | 2012-09-13 | 2015-08-11 | Verance Corporation | Enhanced content distribution using advertisements |
US9262794B2 (en) | 2013-03-14 | 2016-02-16 | Verance Corporation | Transactional video marking system |
US20140279549A1 (en) * | 2013-03-15 | 2014-09-18 | Verance Corporation | Referred sale system |
US9251549B2 (en) | 2013-07-23 | 2016-02-02 | Verance Corporation | Watermark extractor enhancements based on payload ranking |
US9208334B2 (en) | 2013-10-25 | 2015-12-08 | Verance Corporation | Content management using multiple abstraction layers |
CN106170988A (en) | 2014-03-13 | 2016-11-30 | 凡瑞斯公司 | The interactive content using embedded code obtains |
-
2002
- 2002-07-09 JP JP2002200423A patent/JP4333091B2/en not_active Expired - Fee Related
- 2002-07-10 TW TW091115320A patent/TWI239511B/en not_active IP Right Cessation
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