JP2002508148A - データストリームのトランスコーディング - Google Patents

データストリームのトランスコーディング

Info

Publication number
JP2002508148A
JP2002508148A JP55511999A JP55511999A JP2002508148A JP 2002508148 A JP2002508148 A JP 2002508148A JP 55511999 A JP55511999 A JP 55511999A JP 55511999 A JP55511999 A JP 55511999A JP 2002508148 A JP2002508148 A JP 2002508148A
Authority
JP
Japan
Prior art keywords
data
input buffer
transcoded
decoder input
delay
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.)
Ceased
Application number
JP55511999A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002508148A5 (enExample
Inventor
ニコラス バイレール
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
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2002508148A publication Critical patent/JP2002508148A/ja
Publication of JP2002508148A5 publication Critical patent/JP2002508148A5/ja
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—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
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234354—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering signal-to-noise ratio parameters, e.g. requantization
    • 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
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • 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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2401—Monitoring of the client buffer
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP55511999A 1998-04-30 1999-04-22 データストリームのトランスコーディング Ceased JP2002508148A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98401053.8 1998-04-30
EP98401053 1998-04-30
PCT/IB1999/000731 WO1999057673A2 (en) 1998-04-30 1999-04-22 Transcoding of a data stream

Publications (2)

Publication Number Publication Date
JP2002508148A true JP2002508148A (ja) 2002-03-12
JP2002508148A5 JP2002508148A5 (enExample) 2006-08-24

Family

ID=8235355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55511999A Ceased JP2002508148A (ja) 1998-04-30 1999-04-22 データストリームのトランスコーディング

Country Status (6)

Country Link
US (3) US6201844B1 (enExample)
EP (1) EP0993644A2 (enExample)
JP (1) JP2002508148A (enExample)
KR (1) KR100591487B1 (enExample)
CN (1) CN1175671C (enExample)
WO (1) WO1999057673A2 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715009A (en) 1994-03-29 1998-02-03 Sony Corporation Picture signal transmitting method and apparatus
CA2265089C (en) 1998-03-10 2007-07-10 Sony Corporation Transcoding system using encoding history information
CN1241416C (zh) 1999-02-09 2006-02-08 索尼公司 编码系统和方法、编码及解码、记录及再现的设备和方法
EP1125439A1 (en) * 1999-07-20 2001-08-22 Koninklijke Philips Electronics N.V. Drift-free transcoder and related method
US6532593B1 (en) * 1999-08-17 2003-03-11 General Instrument Corporation Transcoding for consumer set-top storage application
JP3694888B2 (ja) * 1999-12-03 2005-09-14 ソニー株式会社 復号装置および方法、符号化装置および方法、情報処理装置および方法、並びに記録媒体
JP2001160967A (ja) * 1999-12-03 2001-06-12 Nec Corp 画像符号化方式変換装置及び符号化レート変換装置
WO2001058167A1 (en) * 2000-02-04 2001-08-09 Koninklijke Philips Electronics N.V. Quantization method for bit rate transcoding applications
JP2001251616A (ja) * 2000-03-02 2001-09-14 Media Glue Corp 多重化音響・動画圧縮符号化信号変換方法、装置および変換プログラムを記録した媒体
CN101035277A (zh) 2000-03-13 2007-09-12 索尼公司 产生压缩的代码转换提示元数据的方法和设备
JP2001339460A (ja) * 2000-05-26 2001-12-07 Matsushita Electric Ind Co Ltd デジタル送受信装置
US6898241B2 (en) * 2001-05-11 2005-05-24 Mitsubishi Electric Research Labs, Inc. Video transcoder with up-sampling
US20030048808A1 (en) 2001-09-12 2003-03-13 Stahl Thomas Anthony Method and apparatus for changing received streaming content channels
US7356079B2 (en) 2001-11-21 2008-04-08 Vixs Systems Inc. Method and system for rate control during video transcoding
CN100428791C (zh) * 2002-11-27 2008-10-22 腾研科技股份有限公司 Mpeg数据格式转换方法及使用该方法的解码系统
US20040141732A1 (en) * 2003-01-22 2004-07-22 Kenji Sugiyama Moving-picture code amount control method, moving-picture recording method, moving-picture code amount control apparatus and moving-picture recording apparatus
JP4196726B2 (ja) * 2003-05-14 2008-12-17 ソニー株式会社 画像処理装置および画像処理方法、記録媒体、並びに、プログラム
US20060109900A1 (en) * 2004-11-23 2006-05-25 Bo Shen Image data transcoding
US7548727B2 (en) * 2005-10-26 2009-06-16 Broadcom Corporation Method and system for an efficient implementation of the Bluetooth® subband codec (SBC)
US8443442B2 (en) * 2006-01-31 2013-05-14 The Penn State Research Foundation Signature-free buffer overflow attack blocker
JP2007208874A (ja) * 2006-02-06 2007-08-16 Nec Electronics Corp 変化点検出装置及び変化点検出方法、並びに記録装置及び記録再生装置
US7895629B1 (en) * 2007-11-07 2011-02-22 At&T Mobility Ii Llc Video service buffer management in a mobile rate control enabled network
US8483272B2 (en) * 2010-09-24 2013-07-09 Intel Corporation System and method for frame level bit rate control without pre-analysis
KR101569510B1 (ko) * 2013-10-22 2015-11-17 네이버 주식회사 적응적 실시간 트랜스코딩 방법 및 이를 위한 스트리밍 서버
US10171807B2 (en) * 2015-01-29 2019-01-01 Arris Enterprises Llc Picture-level QP rate control for HEVC encoding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782326A (en) * 1987-10-01 1988-11-01 Motorola, Inc. ADPCM transcoder data interface circuit having an encoded enable signal
JPH08508378A (ja) * 1993-03-26 1996-09-03 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー トランスコーダ
FR2711435B1 (fr) * 1993-10-20 1995-12-29 Cit Alcatel Dispositif pour justifier à intervalles réguliers un train numérique.
US5534937A (en) * 1994-04-14 1996-07-09 Motorola, Inc. Minimum-delay jitter smoothing device and method for packet video communications
DE69607696T2 (de) * 1995-02-15 2000-10-19 Koninklijke Philips Electronics N.V., Eindhoven Vorrichtung und verfahren zur transkodierung von videosignalen
US5870146A (en) * 1997-01-21 1999-02-09 Multilink, Incorporated Device and method for digital video transcoding

Also Published As

Publication number Publication date
WO1999057673A3 (en) 2000-01-20
US20010001615A1 (en) 2001-05-24
US6477211B2 (en) 2002-11-05
US6201844B1 (en) 2001-03-13
WO1999057673A2 (en) 1999-11-11
CN1273746A (zh) 2000-11-15
KR100591487B1 (ko) 2006-06-21
EP0993644A2 (en) 2000-04-19
US20010000138A1 (en) 2001-04-05
KR20010014281A (ko) 2001-02-26
CN1175671C (zh) 2004-11-10

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