CN1522539A - 视频数据流的转码 - Google Patents

视频数据流的转码 Download PDF

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Publication number
CN1522539A
CN1522539A CNA028130391A CN02813039A CN1522539A CN 1522539 A CN1522539 A CN 1522539A CN A028130391 A CNA028130391 A CN A028130391A CN 02813039 A CN02813039 A CN 02813039A CN 1522539 A CN1522539 A CN 1522539A
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CN
China
Prior art keywords
bit stream
picture
additional information
equipment
frame encoding
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.)
Pending
Application number
CNA028130391A
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English (en)
Chinese (zh)
Inventor
J・H・T・格尔林斯
J·H·T·格尔林斯
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1522539A publication Critical patent/CN1522539A/zh
Pending legal-status Critical Current

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    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNA028130391A 2001-06-30 2002-06-20 视频数据流的转码 Pending CN1522539A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0116119.9 2001-06-30
GBGB0116119.9A GB0116119D0 (en) 2001-06-30 2001-06-30 Transcoding of video data streams

Publications (1)

Publication Number Publication Date
CN1522539A true CN1522539A (zh) 2004-08-18

Family

ID=9917756

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA028130391A Pending CN1522539A (zh) 2001-06-30 2002-06-20 视频数据流的转码

Country Status (7)

Country Link
US (1) US20030002583A1 (enExample)
EP (1) EP1405523A1 (enExample)
JP (1) JP2004534484A (enExample)
KR (1) KR20030061789A (enExample)
CN (1) CN1522539A (enExample)
GB (1) GB0116119D0 (enExample)
WO (1) WO2003005728A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100341333C (zh) * 2005-05-23 2007-10-03 上海广电（集团）有限公司中央研究院 一种增强像素域码流转换方法
CN101047853B (zh) * 2006-03-30 2012-12-05 株式会社东芝 服务器设备和视频传送方法

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GB2387057A (en) * 2002-03-28 2003-10-01 Sony Uk Ltd Multi-generation compression using rounding effects to estimate previously used quantisation parameters
JP4189952B2 (ja) * 2002-11-22 2008-12-03 株式会社リコー 符号化復号化装置、符号化復号化用プログラム及び記憶媒体
ES2344234T3 (es) * 2003-04-10 2010-08-20 Panasonic Corporation Medio de grabacion de informacion, aparato y metodo para grabar datos en dicho medio de grabacion de datos.
JP2005295039A (ja) * 2004-03-31 2005-10-20 Toshiba Corp 録画装置、及び録画方法
KR100602954B1 (ko) * 2004-09-22 2006-07-24 주식회사 아이큐브 미디어 게이트웨이
DE602005021393D1 (de) * 2004-11-25 2010-07-01 Panasonic Corp Verstärkungsvorrichtung und verfahren zu ihrer steuerung
US7707485B2 (en) * 2005-09-28 2010-04-27 Vixs Systems, Inc. System and method for dynamic transrating based on content
US7830800B1 (en) 2006-01-12 2010-11-09 Zenverge, Inc. Architecture for combining media processing with networking
US8102916B1 (en) 2006-01-12 2012-01-24 Zenverge, Inc. Dynamically changing media compression format in compressed domain
JP2008109624A (ja) * 2006-09-25 2008-05-08 Victor Co Of Japan Ltd 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム
US8311114B1 (en) 2006-12-06 2012-11-13 Zenverge, Inc. Streamlined transcoder architecture
JP2009147456A (ja) * 2007-12-11 2009-07-02 Inventec Multimedia & Telecom Corp スケジュールプログラミング可能なビデオファイル変換装置
US8265168B1 (en) 2008-02-01 2012-09-11 Zenverge, Inc. Providing trick mode for video stream transmitted over network
WO2009097284A1 (en) * 2008-02-01 2009-08-06 Zenverge, Inc. Intermediate compression of reference frames for transcoding
US20100161779A1 (en) * 2008-12-24 2010-06-24 Verizon Services Organization Inc System and method for providing quality-referenced multimedia
WO2010086021A1 (en) * 2009-01-30 2010-08-05 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for efficient downstream video processing based on upstream metric processing and provision
US20110129202A1 (en) * 2009-12-01 2011-06-02 Divx, Llc System and method for determining bit stream compatibility
US8422859B2 (en) * 2010-03-23 2013-04-16 Vixs Systems Inc. Audio-based chapter detection in multimedia stream
US8606071B2 (en) * 2010-04-15 2013-12-10 Leonid Remennik Method and apparatus for presenting interactive multimedia using storage device interface
US10242641B2 (en) 2014-03-18 2019-03-26 Mediatek Inc. Data processing apparatus capable of performing optimized compression for compressed data transmission over multiple display ports of display interface and related data processing method
US20160041993A1 (en) 2014-08-05 2016-02-11 Time Warner Cable Enterprises Llc Apparatus and methods for lightweight transcoding
US10958948B2 (en) 2017-08-29 2021-03-23 Charter Communications Operating, Llc Apparatus and methods for latency reduction in digital content switching operations
WO2019208677A1 (ja) * 2018-04-27 2019-10-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法および復号方法
US11743478B2 (en) * 2021-06-15 2023-08-29 International Business Machines Corporation Video stream transcoding with reduced latency and memory transfer

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DE4416967A1 (de) * 1994-05-13 1995-11-16 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Transcodierung von Bitströmen mit Videodaten
WO1995035628A1 (en) * 1994-06-17 1995-12-28 Snell & Wilcox Limited Video compression
GB2318246B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing digitally encoded signals
US5953506A (en) * 1996-12-17 1999-09-14 Adaptive Media Technologies Method and apparatus that provides a scalable media delivery system
CA2265089C (en) * 1998-03-10 2007-07-10 Sony Corporation Transcoding system using encoding history information
WO1999051033A2 (en) * 1998-03-31 1999-10-07 Koninklijke Philips Electronics N.V. Method and device for modifying data in an encoded data stream
KR100701443B1 (ko) * 1998-11-17 2007-03-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 코드화된 비디오 신호의 트랜스코딩 방법 및 움직임 벡터 선택의 트랜스코더
US6259741B1 (en) * 1999-02-18 2001-07-10 General Instrument Corporation Method of architecture for converting MPEG-2 4:2:2-profile bitstreams into main-profile bitstreams
GB2353654B (en) * 1999-08-26 2004-02-18 Sony Uk Ltd Signal processing
GB9930787D0 (en) * 1999-12-30 2000-02-16 Koninkl Philips Electronics Nv Method and apparatus for convrerting data streams
GB9930788D0 (en) * 1999-12-30 2000-02-16 Koninkl Philips Electronics Nv Method and apparatus for converting data streams

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100341333C (zh) * 2005-05-23 2007-10-03 上海广电（集团）有限公司中央研究院 一种增强像素域码流转换方法
CN101047853B (zh) * 2006-03-30 2012-12-05 株式会社东芝 服务器设备和视频传送方法

Also Published As

Publication number Publication date
WO2003005728A1 (en) 2003-01-16
KR20030061789A (ko) 2003-07-22
GB0116119D0 (en) 2001-08-22
EP1405523A1 (en) 2004-04-07
JP2004534484A (ja) 2004-11-11
US20030002583A1 (en) 2003-01-02

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