DE69525908T2 - Ton-/Videosynchronisator - Google Patents

Ton-/Videosynchronisator

Info

Publication number
DE69525908T2
DE69525908T2 DE69525908T DE69525908T DE69525908T2 DE 69525908 T2 DE69525908 T2 DE 69525908T2 DE 69525908 T DE69525908 T DE 69525908T DE 69525908 T DE69525908 T DE 69525908T DE 69525908 T2 DE69525908 T2 DE 69525908T2
Authority
DE
Germany
Prior art keywords
videosynchronisator
sound
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 - Lifetime
Application number
DE69525908T
Other languages
English (en)
Other versions
DE69525908D1 (de
Inventor
Chai Yeol Rim
Yong Hoon Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1019940033332A external-priority patent/KR100311464B1/ko
Priority claimed from KR1019950020847A external-priority patent/KR100348240B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Application granted granted Critical
Publication of DE69525908D1 publication Critical patent/DE69525908D1/de
Publication of DE69525908T2 publication Critical patent/DE69525908T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04N21/434—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69525908T 1994-12-08 1995-12-08 Ton-/Videosynchronisator Expired - Lifetime DE69525908T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019940033332A KR100311464B1 (ko) 1994-12-08 1994-12-08 디지탈티브이의오디오/비디오동기장치
KR1019950020847A KR100348240B1 (ko) 1995-07-14 1995-07-14 엔씨오를이용한피티에스/디티에스콘트롤러

Publications (2)

Publication Number Publication Date
DE69525908D1 DE69525908D1 (de) 2002-04-25
DE69525908T2 true DE69525908T2 (de) 2002-07-25

Family

ID=26630752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69525908T Expired - Lifetime DE69525908T2 (de) 1994-12-08 1995-12-08 Ton-/Videosynchronisator

Country Status (3)

Country Link
US (1) US5771075A (de)
EP (1) EP0716547B1 (de)
DE (1) DE69525908T2 (de)

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JP3130464B2 (ja) * 1996-02-02 2001-01-31 ローム株式会社 データ復号装置
KR100200617B1 (ko) * 1996-09-05 1999-06-15 윤종용 픽쳐 동기화회로 및 그 방법
JP2970558B2 (ja) * 1996-10-25 1999-11-02 日本電気株式会社 オーディオ／ビデオ／コンピュータグラフィクス同期再生合成方式及び方法
US6192074B1 (en) * 1997-05-14 2001-02-20 Sarnoff Corporation Fixed frequency source timing processor method and apparatus
EP0880246A3 (de) 1997-05-15 1999-12-01 Matsushita Electric Industrial Co., Ltd. Dekoder für komprimierte Signale und Dekoder für Audiosignale
GB2326781B (en) * 1997-05-30 2001-10-10 British Broadcasting Corp Video and audio signal processing
KR100234265B1 (ko) * 1997-06-17 1999-12-15 윤종용 캡션 데이터 처리 회로 및 그 방법
US6191822B1 (en) * 1997-06-20 2001-02-20 Sony Corporation Method of and apparatus for separating audio and video data from a combined audio/video stream of data
US5959684A (en) * 1997-07-28 1999-09-28 Sony Corporation Method and apparatus for audio-video synchronizing
KR100247978B1 (ko) * 1997-08-08 2000-03-15 윤종용 픽쳐 디코딩 동기화 회로 및 그 방법
KR20010023607A (ko) * 1997-09-05 2001-03-26 마츠시타 덴끼 산교 가부시키가이샤 복호방법 및 복호 프로그램을 기록한 기록매체
US6195403B1 (en) * 1997-09-26 2001-02-27 International Business Machines Corporation Pulse generator for a voltage controlled oscillator
JP3418966B2 (ja) * 1997-10-09 2003-06-23 インターナショナル・ビジネス・マシーンズ・コーポレーション 同期化方法及びデコーダ
KR100301826B1 (ko) * 1997-12-29 2001-10-27 구자홍 비디오디코더
US6081299A (en) * 1998-02-20 2000-06-27 International Business Machines Corporation Methods and systems for encoding real time multimedia data
US6429902B1 (en) * 1999-12-07 2002-08-06 Lsi Logic Corporation Method and apparatus for audio and video end-to-end synchronization
US6502097B1 (en) * 1999-12-23 2002-12-31 Microsoft Corporation Data structure for efficient access to variable-size data objects
JP4208398B2 (ja) * 2000-10-05 2009-01-14 株式会社東芝 動画像復号再生装置、動画像復号再生方法及びマルチメディア情報受信装置
US6636270B2 (en) * 2000-12-14 2003-10-21 Microsoft Corporation Clock slaving methods and arrangements
TW499818B (en) * 2001-03-29 2002-08-21 Winbond Electronics Corp Audio/video packet synchronous decoding method
US7012650B2 (en) * 2001-06-14 2006-03-14 Sony Corporation Start/stop audio encoder apparatus and method for synchronizing digital audio and video signals
US7120168B2 (en) * 2001-11-20 2006-10-10 Sony Corporation System and method for effectively performing an audio/video synchronization procedure
US9497452B2 (en) * 2002-01-22 2016-11-15 Broadcom Corporation System and method of transmission and reception of video using compressed differential time stamps
US7729421B2 (en) * 2002-02-20 2010-06-01 International Business Machines Corporation Low latency video decoder with high-quality, variable scaling and minimal frame buffer memory
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
KR100984818B1 (ko) * 2002-11-07 2010-10-05 톰슨 라이센싱 버퍼 연산을 사용하는 디지털 환경에서 오디오와 비디오간의 립싱크를 결정하기 위한 방법 및 시스템
US7567746B2 (en) * 2003-03-19 2009-07-28 Panasonic Corporation Data processing device
KR100619007B1 (ko) * 2003-06-24 2006-08-31 삼성전자주식회사 비디오 트랜스포트 스트림 동기화 제어 장치 및 방법
PT2088779E (pt) * 2003-07-03 2011-03-07 Panasonic Corp Meio de gravação, aparelho de leitura, método de gravação, circuito integrado, programa e método de leitura
US9137502B2 (en) 2004-08-25 2015-09-15 Broadcom Corporation Method and system for fast digital channel change utilizing time-stamp management
US7480315B2 (en) * 2004-12-31 2009-01-20 Microsoft Corporation Method and apparatus for synchronizing clocks
KR101246916B1 (ko) * 2006-04-21 2013-03-25 삼성전자주식회사 오디오/비디오 동기 보정 방법 및 장치
KR101143907B1 (ko) * 2007-02-15 2012-05-10 삼성전자주식회사 디지털 방송 재생 방법 및 장치
KR101226178B1 (ko) * 2007-03-27 2013-01-24 삼성전자주식회사 비디오 데이터 디스플레이 방법 및 장치
US7724684B2 (en) * 2007-05-24 2010-05-25 Modelware, Inc. System and method for designing and implementing packet processing products
CN101340591B (zh) * 2008-08-11 2011-04-06 华为终端有限公司 解码系统中接收视音频数据的处理方法及装置
CN101616331B (zh) * 2009-07-27 2011-07-20 北京汉邦高科数字技术有限公司 一种对视频帧率及音视频同步性能进行测试的方法
CN101848396B (zh) * 2009-11-30 2012-10-17 深圳市华曦达科技股份有限公司 传输流音视频同步及防抖动方法
CN101916577B (zh) * 2010-08-19 2016-09-28 无锡中感微电子股份有限公司 一种音视频播放同步的方法及装置
EP2490446A1 (de) 2011-02-15 2012-08-22 Eldon Technology Limited Kopierschutz
CN103621102B (zh) 2011-05-12 2017-05-03 英特尔公司 用于音频与视频同步的方法、装置及系统
US9191686B2 (en) 2011-07-22 2015-11-17 Honeywell International Inc. System and method of implementing synchronized audio and video streaming
US9154832B2 (en) 2012-03-29 2015-10-06 Dish Network L.L.C. Testing frame color counting technique
US8570379B1 (en) 2012-10-04 2013-10-29 Dish Network L.L.C. Frame block comparison
KR20170068946A (ko) * 2015-12-10 2017-06-20 삼성전자주식회사 방송 수신 장치 및 방송 수신 장치의 제어 방법
US20170223382A1 (en) * 2016-02-03 2017-08-03 Sigma Designs, Inc. Method of reducing latency and a video decoder of the same
CN111954064B (zh) * 2020-08-31 2022-11-04 三星电子（中国）研发中心 音视频同步方法和装置

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US5287182A (en) * 1992-07-02 1994-02-15 At&T Bell Laboratories Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks
JP3496725B2 (ja) * 1992-10-16 2004-02-16 ソニー株式会社 多重化データ分離装置
AU672070B2 (en) * 1993-02-26 1996-09-19 Sony Corporation Synchronization of audio/video information
JP3427416B2 (ja) * 1993-05-25 2003-07-14 ソニー株式会社 多重化データ分離装置および方法
US5430485A (en) * 1993-09-30 1995-07-04 Thomson Consumer Electronics, Inc. Audio/video synchronization in a digital transmission system
JP3509080B2 (ja) * 1993-10-15 2004-03-22 ソニー株式会社 データ再生装置
US5598352A (en) * 1994-09-30 1997-01-28 Cirrus Logic, Inc. Method and apparatus for audio and video synchronizing in MPEG playback systems
US5566089A (en) * 1994-10-26 1996-10-15 General Instrument Corporation Of Delaware Syntax parser for a video decompression processor
US5588029A (en) * 1995-01-20 1996-12-24 Lsi Logic Corporation MPEG audio synchronization system using subframe skip and repeat
KR0137701B1 (ko) * 1994-12-13 1998-05-15 양승택 엠피이지-2(mpeg-2) 시스템의 피이에스(pes) 패킷화 장치
US5598415A (en) * 1995-08-04 1997-01-28 General Instrument Corporation Of Delaware Transmission of high rate isochronous data in MPEG-2 data streams

Also Published As

Publication number Publication date
EP0716547B1 (de) 2002-03-20
EP0716547A2 (de) 1996-06-12
EP0716547A3 (de) 1998-05-06
US5771075A (en) 1998-06-23
DE69525908D1 (de) 2002-04-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8330 Complete renunciation