CN1720749A - 自动测试音频/视频同步的方法 - Google Patents
自动测试音频/视频同步的方法 Download PDFInfo
- Publication number
- CN1720749A CN1720749A CNA2003801050455A CN200380105045A CN1720749A CN 1720749 A CN1720749 A CN 1720749A CN A2003801050455 A CNA2003801050455 A CN A2003801050455A CN 200380105045 A CN200380105045 A CN 200380105045A CN 1720749 A CN1720749 A CN 1720749A
- Authority
- CN
- China
- Prior art keywords
- timestamp
- decoder
- audio
- video
- frequency
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Receiver Circuits (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43091702P | 2002-12-04 | 2002-12-04 | |
US60/430,917 | 2002-12-04 | ||
PCT/IB2003/005457 WO2004052021A1 (en) | 2002-12-04 | 2003-11-26 | Method of automatically testing audio/video synchronization |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1720749A true CN1720749A (zh) | 2006-01-11 |
CN1720749B CN1720749B (zh) | 2010-12-08 |
Family
ID=32469560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2003801050455A Expired - Fee Related CN1720749B (zh) | 2002-12-04 | 2003-11-26 | 自动测试音频/视频同步的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7924929B2 (zh) |
EP (1) | EP1570681A1 (zh) |
JP (1) | JP4602089B2 (zh) |
KR (1) | KR100943811B1 (zh) |
CN (1) | CN1720749B (zh) |
AU (1) | AU2003282289A1 (zh) |
WO (1) | WO2004052021A1 (zh) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008028361A1 (fr) * | 2006-08-29 | 2008-03-13 | Zte Corporation | Procédé de lecture synchrone de données audio et vidéo en diffusion multimédia mobile |
CN101212690B (zh) * | 2006-12-26 | 2011-04-20 | 中兴通讯股份有限公司 | 多媒体视音频流唇音同步的调测方法 |
CN102413382A (zh) * | 2011-12-27 | 2012-04-11 | 四川九洲电器集团有限责任公司 | 一种提高实时视频平滑性的方法 |
CN101778269B (zh) * | 2009-01-14 | 2012-10-24 | 扬智电子科技(上海)有限公司 | 机顶盒的音视频帧的同步方法 |
CN101518081B (zh) * | 2006-09-26 | 2013-03-06 | 高通股份有限公司 | 对使用音频时间戳的多媒体解码器的再同步 |
CN103139636A (zh) * | 2011-12-05 | 2013-06-05 | 优视科技有限公司 | 流媒体数据处理方法及装置、流媒体数据再现设备 |
CN102007787B (zh) * | 2008-02-19 | 2014-05-21 | 交互数字专利控股公司 | 用于安全可信计时技术的方法和装置 |
CN103139636B (zh) * | 2011-12-05 | 2016-12-14 | 优视科技有限公司 | 流媒体数据处理方法及装置、流媒体数据再现设备 |
CN112423121A (zh) * | 2020-08-11 | 2021-02-26 | 上海幻电信息科技有限公司 | 视频测试文件生成方法、装置及播放器测试方法、装置 |
CN116437134A (zh) * | 2023-06-13 | 2023-07-14 | 中国人民解放军军事科学院系统工程研究院 | 一种用于检测音视频同步性的方法及装置 |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100509723B1 (ko) * | 2002-03-23 | 2005-08-23 | 주식회사 레인콤 | 비디오 시디의 오디오 패킷을 독립적으로 재생하기 위한방법 및 장치 |
US9948977B2 (en) | 2003-01-09 | 2018-04-17 | Avago Technologies General Ip (Singapore) Pte. Ltd. | System, method, and apparatus for determining presentation time for picture without presentation time stamp |
US8331456B2 (en) * | 2002-09-27 | 2012-12-11 | Broadcom Corporation | System and method for audio and visual synchronization |
EP1615433A4 (en) * | 2003-03-19 | 2010-05-26 | Panasonic Corp | DATA PROCESSING DEVICE |
WO2006025584A1 (ja) * | 2004-09-02 | 2006-03-09 | Sony Corporation | コンテンツ受信装置、ビデオオーディオ出力タイミング制御方法及びコンテンツ提供システム |
CN100407796C (zh) * | 2005-03-17 | 2008-07-30 | 华为技术有限公司 | 一种节目参考时钟调整的方法及装置 |
JP2007274607A (ja) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | デジタル信号処理装置及びデータストリーム処理方法 |
JP4816262B2 (ja) * | 2006-06-06 | 2011-11-16 | ソニー株式会社 | 再生装置、再生方法および再生プログラム |
US8326609B2 (en) * | 2006-06-29 | 2012-12-04 | Lg Electronics Inc. | Method and apparatus for an audio signal processing |
CN101543072B (zh) * | 2007-02-19 | 2011-06-01 | 株式会社东芝 | 数据复用/分离装置 |
JP4669854B2 (ja) * | 2007-03-30 | 2011-04-13 | Necディスプレイソリューションズ株式会社 | 映像処理プロセッサおよび映像遅延測定方法 |
WO2009104869A1 (en) * | 2008-02-20 | 2009-08-27 | Electronics And Telecommunications Research Institute | Method and apparatus for svc video and aac audio synchronization using npt |
KR100916505B1 (ko) | 2008-02-20 | 2009-09-08 | 한국전자통신연구원 | 정상 재생 타임을 이용한 스케일러블 비디오 코딩 정보와어드밴스드 오디오 코딩 정보의 동기화 지원 방법 및 장치 |
JP5178375B2 (ja) * | 2008-07-30 | 2013-04-10 | パナソニック株式会社 | デジタル放送再生装置およびデジタル放送再生方法 |
WO2010069375A1 (en) * | 2008-12-17 | 2010-06-24 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for measuring audiovisual synchronisation |
CN101674486B (zh) * | 2009-09-29 | 2013-05-08 | 深圳市融创天下科技股份有限公司 | 一种流媒体音视频同步方法及系统 |
ATE540529T1 (de) * | 2009-11-03 | 2012-01-15 | Tektronix Int Sales Gmbh | Verfahren und vorrichtung zum messen der verzögerung innerhalb eines komprimierten digitalen stroms |
US8705371B2 (en) | 2010-03-19 | 2014-04-22 | At&T Intellectual Property I, L.P. | Locally diagnosing and troubleshooting service issues |
US8938749B2 (en) | 2010-08-31 | 2015-01-20 | At&T Intellectual Property I, L.P. | System and method to troubleshoot a set top box device |
US8782730B2 (en) * | 2010-12-09 | 2014-07-15 | At&T Intellectual Property I, L.P. | User assistance via customer premises equipment media files |
US9369149B1 (en) | 2012-05-03 | 2016-06-14 | Integrated Device Technology, Inc. | Method and apparatus for efficient baseband unit processing in a communication system |
US9313300B2 (en) | 2013-11-07 | 2016-04-12 | Integrated Device Technology, Inc. | Methods and apparatuses for a unified compression framework of baseband signals |
JP2015173335A (ja) * | 2014-03-11 | 2015-10-01 | 株式会社リコー | 情報処理装置、情報処理システム及びプログラム |
DE102015001622A1 (de) * | 2015-02-09 | 2016-08-11 | Unify Gmbh & Co. Kg | Verfahren zur Übertragung von Daten in einem Multimedia-System, sowie Softwareprodukt und Vorrichtung zur Steuerung der Übertragung von Daten in einem Multimedia-System |
CN108924646B (zh) * | 2018-07-18 | 2021-02-09 | 北京奇艺世纪科技有限公司 | 一种音视频同步检测方法及系统 |
US11228799B2 (en) * | 2019-04-17 | 2022-01-18 | Comcast Cable Communications, Llc | Methods and systems for content synchronization |
KR20210028880A (ko) * | 2019-09-05 | 2021-03-15 | 삼성전자주식회사 | 디스플레이 장치 및 그 제어 방법 |
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US5188731A (en) * | 1990-10-04 | 1993-02-23 | Lapoint Jr John | Filter apparatus with a flexible collar |
JP3255308B2 (ja) * | 1992-12-18 | 2002-02-12 | ソニー株式会社 | データ再生装置 |
US5430485A (en) | 1993-09-30 | 1995-07-04 | Thomson Consumer Electronics, Inc. | Audio/video synchronization in a digital transmission system |
US5467139A (en) | 1993-09-30 | 1995-11-14 | Thomson Consumer Electronics, Inc. | Muting apparatus for a compressed audio/video signal receiver |
JP3509080B2 (ja) * | 1993-10-15 | 2004-03-22 | ソニー株式会社 | データ再生装置 |
US5559999A (en) * | 1994-09-09 | 1996-09-24 | Lsi Logic Corporation | MPEG decoding system including tag list for associating presentation time stamps with encoded data units |
US5844622A (en) * | 1995-12-12 | 1998-12-01 | Trw Inc. | Digital video horizontal synchronization pulse detector and processor |
JP3893643B2 (ja) | 1996-07-31 | 2007-03-14 | ソニー株式会社 | 信号多重化方法およびそれを用いた伝送信号生成装置 |
KR100224099B1 (ko) | 1997-05-30 | 1999-10-15 | 윤종용 | 오디오/비디오 신호의 동기장치 및 방법 |
US6219067B1 (en) * | 1998-04-03 | 2001-04-17 | Sarnoff Corporation | Measures for characterizing compressed bitstreams |
KR100617221B1 (ko) | 1999-02-10 | 2006-08-31 | 엘지전자 주식회사 | 디지털 방송 수신기의 오디오/비디오 신호 동기화 방법 |
CA2313979C (en) | 1999-07-21 | 2012-06-12 | Thomson Licensing Sa | Synchronizing apparatus for a compressed audio/video signal receiver |
-
2003
- 2003-11-26 EP EP03773907A patent/EP1570681A1/en not_active Withdrawn
- 2003-11-26 AU AU2003282289A patent/AU2003282289A1/en not_active Abandoned
- 2003-11-26 WO PCT/IB2003/005457 patent/WO2004052021A1/en active Application Filing
- 2003-11-26 KR KR1020057009972A patent/KR100943811B1/ko not_active IP Right Cessation
- 2003-11-26 CN CN2003801050455A patent/CN1720749B/zh not_active Expired - Fee Related
- 2003-11-26 US US10/536,645 patent/US7924929B2/en not_active Expired - Fee Related
- 2003-11-26 JP JP2004556656A patent/JP4602089B2/ja not_active Expired - Fee Related
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008028361A1 (fr) * | 2006-08-29 | 2008-03-13 | Zte Corporation | Procédé de lecture synchrone de données audio et vidéo en diffusion multimédia mobile |
CN101518081B (zh) * | 2006-09-26 | 2013-03-06 | 高通股份有限公司 | 对使用音频时间戳的多媒体解码器的再同步 |
CN101212690B (zh) * | 2006-12-26 | 2011-04-20 | 中兴通讯股份有限公司 | 多媒体视音频流唇音同步的调测方法 |
CN102007787B (zh) * | 2008-02-19 | 2014-05-21 | 交互数字专利控股公司 | 用于安全可信计时技术的方法和装置 |
US9396361B2 (en) | 2008-02-19 | 2016-07-19 | Interdigital Patent Holdings, Inc. | Method and apparatus for protecting time values in wireless communications |
CN101778269B (zh) * | 2009-01-14 | 2012-10-24 | 扬智电子科技(上海)有限公司 | 机顶盒的音视频帧的同步方法 |
CN103139636A (zh) * | 2011-12-05 | 2013-06-05 | 优视科技有限公司 | 流媒体数据处理方法及装置、流媒体数据再现设备 |
CN103139636B (zh) * | 2011-12-05 | 2016-12-14 | 优视科技有限公司 | 流媒体数据处理方法及装置、流媒体数据再现设备 |
CN102413382A (zh) * | 2011-12-27 | 2012-04-11 | 四川九洲电器集团有限责任公司 | 一种提高实时视频平滑性的方法 |
CN112423121A (zh) * | 2020-08-11 | 2021-02-26 | 上海幻电信息科技有限公司 | 视频测试文件生成方法、装置及播放器测试方法、装置 |
CN112423121B (zh) * | 2020-08-11 | 2024-07-09 | 上海幻电信息科技有限公司 | 视频测试文件生成方法、装置及播放器测试方法、装置 |
CN116437134A (zh) * | 2023-06-13 | 2023-07-14 | 中国人民解放军军事科学院系统工程研究院 | 一种用于检测音视频同步性的方法及装置 |
CN116437134B (zh) * | 2023-06-13 | 2023-09-22 | 中国人民解放军军事科学院系统工程研究院 | 一种用于检测音视频同步性的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1570681A1 (en) | 2005-09-07 |
JP4602089B2 (ja) | 2010-12-22 |
JP2006509409A (ja) | 2006-03-16 |
CN1720749B (zh) | 2010-12-08 |
US20060098742A1 (en) | 2006-05-11 |
AU2003282289A1 (en) | 2004-06-23 |
WO2004052021A1 (en) | 2004-06-17 |
KR100943811B1 (ko) | 2010-02-24 |
KR20050085289A (ko) | 2005-08-29 |
US7924929B2 (en) | 2011-04-12 |
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Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070817 |
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Effective date of registration: 20070817 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
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Owner name: TRIGEMINAL MICROSYSTEMS(FAR EAST) CO., LTD. Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20100926 |
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