DE69225346D1 - Verfahren und Vorrichtung zur Übertragung und Reproduktion von einem digitalen Signal - Google Patents
Verfahren und Vorrichtung zur Übertragung und Reproduktion von einem digitalen SignalInfo
- Publication number
- DE69225346D1 DE69225346D1 DE69225346T DE69225346T DE69225346D1 DE 69225346 D1 DE69225346 D1 DE 69225346D1 DE 69225346 T DE69225346 T DE 69225346T DE 69225346 T DE69225346 T DE 69225346T DE 69225346 D1 DE69225346 D1 DE 69225346D1
- Authority
- DE
- Germany
- Prior art keywords
- reproducing
- transmitting
- digital signal
- digital
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
- G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
- G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
- G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
- G11B20/1207—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only
- G11B20/1208—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
- G11B20/1809—Pulse code modulation systems for audio signals by interleaving
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/036—Insert-editing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9265—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal
- H04N5/9267—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
- H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
- H04N5/78263—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape
- H04N5/78266—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape using more than one track for the recording of one television field or frame, i.e. segmented recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
- H04N9/8233—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a character code signal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1619091 | 1991-02-07 | ||
JP3169931A JPH05207411A (ja) | 1991-07-10 | 1991-07-10 | ディジタル信号ダビング方法 |
JP20922591 | 1991-08-21 | ||
JP4010663A JP2679507B2 (ja) | 1991-08-21 | 1992-01-24 | デジタル信号編集方法および編集装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69225346D1 true DE69225346D1 (de) | 1998-06-10 |
DE69225346T2 DE69225346T2 (de) | 1998-09-03 |
Family
ID=27455431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69225346T Expired - Fee Related DE69225346T2 (de) | 1991-02-07 | 1992-02-04 | Verfahren und Vorrichtung zur Übertragung und Reproduktion von einem digitalen Signal |
Country Status (4)
Country | Link |
---|---|
US (1) | US5479299A (de) |
EP (1) | EP0498617B1 (de) |
KR (1) | KR960005945B1 (de) |
DE (1) | DE69225346T2 (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621578A (en) * | 1992-02-06 | 1997-04-15 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting digital video and audio signals between bit rate reduction encoded signal recording and reproducing systems |
KR950009586B1 (ko) * | 1991-09-28 | 1995-08-24 | 삼성전자주식회사 | 비디오테이프복사시스템에 있어서 자동편집방법 및 장치 |
JP2963960B2 (ja) * | 1992-01-29 | 1999-10-18 | 三菱電機株式会社 | ディジタル信号記録再生装置及びディジタル信号記録再生方法 |
EP2385527A3 (de) * | 1993-06-07 | 2012-12-19 | Samsung Electronics Co., Ltd. | Aufzeichnungs- Wiedergabegerät für digitale Information |
KR0165656B1 (ko) * | 1993-07-08 | 1999-03-20 | 모리시타 요이찌 | 데이터전송장치 |
US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
JP3216061B2 (ja) * | 1993-12-28 | 2001-10-09 | キヤノン株式会社 | 撮像記録装置 |
EP0664646B1 (de) * | 1994-01-20 | 2007-08-08 | Sony Corporation | Aufzeichnungs- und Wiedergabegerät für digitale Audio- und Videosignale |
JPH07226022A (ja) * | 1994-02-15 | 1995-08-22 | Sony Corp | ディジタル記録再生装置 |
JP3321972B2 (ja) * | 1994-02-15 | 2002-09-09 | ソニー株式会社 | ディジタル信号記録装置 |
JP3329063B2 (ja) * | 1994-03-29 | 2002-09-30 | ソニー株式会社 | 再生装置 |
JP3289045B2 (ja) * | 1994-04-12 | 2002-06-04 | 三菱電機株式会社 | ディジタル記録再生装置 |
EP1126705B1 (de) * | 1994-07-08 | 2009-06-24 | Sony Corporation | Empfang von Rundfunksignalen mit bedingtem Zugang |
JPH0856356A (ja) * | 1994-08-10 | 1996-02-27 | Fujitsu Ltd | 符号化装置および復号化装置 |
KR0152788B1 (ko) | 1994-11-26 | 1998-10-15 | 이헌조 | 디지탈 영상 시스템의 복사 방지 방법 및 장치 |
KR0136458B1 (ko) | 1994-12-08 | 1998-05-15 | 구자홍 | 디지탈 자기 기록재생 시스템의 복사 방지장치 |
CA2168327C (en) * | 1995-01-30 | 2000-04-11 | Shinichi Kikuchi | A recording medium on which a data containing navigation data is recorded, a method and apparatus for reproducing a data according to navigationdata, a method and apparatus for recording a data containing navigation data on a recording medium. |
JP3617115B2 (ja) * | 1995-03-31 | 2005-02-02 | ソニー株式会社 | ビデオ信号処理装置および処理方法 |
KR100215130B1 (ko) * | 1995-04-06 | 1999-08-16 | 니시무로 타이죠 | 재생 데이타와 재생 데이타의 속성 정보를 함께 기록한 기록매체 |
US5745643A (en) * | 1995-04-06 | 1998-04-28 | Kabushiki Kaisha Toshiba | System for and method of reproducing playback data appropriately by the use of attribute information on the playback data |
JPH08289287A (ja) * | 1995-04-12 | 1996-11-01 | Ricoh Co Ltd | 音声信号・映像信号処理装置 |
JPH0917127A (ja) * | 1995-06-30 | 1997-01-17 | Pioneer Electron Corp | 媒体記録方法、装置及び媒体再生装置 |
JP3701051B2 (ja) * | 1995-07-04 | 2005-09-28 | パイオニア株式会社 | 情報記録装置及び情報再生装置 |
EP0755055B1 (de) * | 1995-07-14 | 2002-01-16 | Sony Corporation | Übertragung, Aufzeichnung und Wiedergabe von Daten |
JP2766466B2 (ja) * | 1995-08-02 | 1998-06-18 | 株式会社東芝 | オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法 |
EP0878082A2 (de) | 1996-02-02 | 1998-11-18 | Thomson Consumer Electronics, Inc. | System und verfahren zur schnittstellenbildung von mehreren elektronischen vorrichtungen |
US5901178A (en) * | 1996-02-26 | 1999-05-04 | Solana Technology Development Corporation | Post-compression hidden data transport for video |
WO1998002881A1 (fr) * | 1996-07-15 | 1998-01-22 | Kabushiki Kaisha Toshiba | Appareil comportant une interface numerique, systeme de reseau mettant en oeuvre cet appareil et procede de protection contre la copie |
JPH10108135A (ja) * | 1996-09-25 | 1998-04-24 | Sony Corp | 編集装置及びデータ編集方法 |
GB9626574D0 (en) * | 1996-12-20 | 1997-02-05 | Thomson Consumer Electronics | Control of consumer recording equipment |
US6584275B1 (en) | 1996-12-20 | 2003-06-24 | Thomson Licensing Sa | Control of consumer recording equipment |
US7336712B1 (en) * | 1998-09-02 | 2008-02-26 | Koninklijke Philips Electronics N.V. | Video signal transmission |
EP1032203A3 (de) * | 1999-02-26 | 2002-11-06 | Sony Corporation | Anlage und Verfahren zur Datenübertragung, Aufnahmeanlage, und Anlage zur Aufnahme und Wiedergabe |
EP1480217A4 (de) * | 2002-02-28 | 2008-05-07 | Sony Corp | Datenverarbeitungsvorrichtung, verfahren und programm |
US7460684B2 (en) | 2003-06-13 | 2008-12-02 | Nielsen Media Research, Inc. | Method and apparatus for embedding watermarks |
JP4438056B2 (ja) * | 2003-06-26 | 2010-03-24 | キヤノン株式会社 | 光量調節部材の製造方法 |
NZ552644A (en) | 2004-07-02 | 2008-09-26 | Nielsen Media Res Inc | Methods and apparatus for mixing compressed digital bit streams |
JP4464255B2 (ja) * | 2004-11-17 | 2010-05-19 | Necエレクトロニクス株式会社 | ビデオ信号多重化装置、ビデオ信号多重化方法及び映像再生装置 |
WO2008045950A2 (en) | 2006-10-11 | 2008-04-17 | Nielsen Media Research, Inc. | Methods and apparatus for embedding codes in compressed audio data streams |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4210785A (en) * | 1978-09-28 | 1980-07-01 | Bell & Howell Company | Tape replay system |
DE69031102T2 (de) * | 1989-08-29 | 1998-01-15 | Matsushita Electric Ind Co Ltd | Digitalvideosignalaufzeichnungs- und -wiedergabegerät |
-
1992
- 1992-02-04 EP EP92300933A patent/EP0498617B1/de not_active Expired - Lifetime
- 1992-02-04 DE DE69225346T patent/DE69225346T2/de not_active Expired - Fee Related
- 1992-02-06 US US07/831,994 patent/US5479299A/en not_active Expired - Lifetime
- 1992-02-07 KR KR1019920001732A patent/KR960005945B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5479299A (en) | 1995-12-26 |
EP0498617B1 (de) | 1998-05-06 |
EP0498617A2 (de) | 1992-08-12 |
KR960005945B1 (ko) | 1996-05-03 |
KR920017401A (ko) | 1992-09-26 |
DE69225346T2 (de) | 1998-09-03 |
EP0498617A3 (en) | 1993-08-11 |
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