JP4342139B2 - 信号処理装置 - Google Patents

信号処理装置 Download PDF

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Publication number
JP4342139B2
JP4342139B2 JP2002045209A JP2002045209A JP4342139B2 JP 4342139 B2 JP4342139 B2 JP 4342139B2 JP 2002045209 A JP2002045209 A JP 2002045209A JP 2002045209 A JP2002045209 A JP 2002045209A JP 4342139 B2 JP4342139 B2 JP 4342139B2
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JP
Japan
Prior art keywords
buffer
bit stream
digital video
compressed digital
bitstream
Prior art date
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Expired - Fee Related
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JP2002045209A
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English (en)
Japanese (ja)
Other versions
JP2002320228A (ja
JP2002320228A5 (enExample
Inventor
アイアン サウンダーズ、ニコラス
ステファン ポーター、ロバート
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Sony Europe BV United Kingdom Branch
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Sony United Kingdom Ltd
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Publication date
Application filed by Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Publication of JP2002320228A publication Critical patent/JP2002320228A/ja
Publication of JP2002320228A5 publication Critical patent/JP2002320228A5/ja
Application granted granted Critical
Publication of JP4342139B2 publication Critical patent/JP4342139B2/ja
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    • 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
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
    • 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
    • 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]
    • H04N21/40—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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
JP2002045209A 2001-02-21 2002-02-21 信号処理装置 Expired - Fee Related JP4342139B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0104296A GB2372657B (en) 2001-02-21 2001-02-21 Signal processing
GB0104296.9 2001-02-21

Publications (3)

Publication Number Publication Date
JP2002320228A JP2002320228A (ja) 2002-10-31
JP2002320228A5 JP2002320228A5 (enExample) 2005-06-30
JP4342139B2 true JP4342139B2 (ja) 2009-10-14

Family

ID=9909225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002045209A Expired - Fee Related JP4342139B2 (ja) 2001-02-21 2002-02-21 信号処理装置

Country Status (3)

Country Link
US (1) US6993080B2 (enExample)
JP (1) JP4342139B2 (enExample)
GB (1) GB2372657B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100487989B1 (ko) * 1997-10-23 2005-05-09 미쓰비시덴키 가부시키가이샤 화상 복호화 장치 및 화상 부호화 장치
US7657111B2 (en) * 2003-02-14 2010-02-02 Fujifilm Corporation Apparatus and program for image processing for obtaining processed compressed moving image data
US7403660B2 (en) * 2003-04-30 2008-07-22 Nokia Corporation Encoding picture arrangement parameter in picture bitstream
JP4120934B2 (ja) 2003-06-16 2008-07-16 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
US9612965B2 (en) * 2003-06-24 2017-04-04 Hewlett-Packard Development Company, L.P. Method and system for servicing streaming media
JP2006074635A (ja) 2004-09-06 2006-03-16 Hitachi Ltd 符号化映像信号変換方法及び装置
US7447978B2 (en) * 2004-11-16 2008-11-04 Nokia Corporation Buffering packets of a media stream
EP1867079A4 (en) * 2005-04-07 2009-12-09 Nokia Corp BUFFER AT STREAMING DELIVERY
JP4492484B2 (ja) * 2005-08-22 2010-06-30 ソニー株式会社 情報処理装置および情報処理方法、記録媒体、並びに、プログラム
US20080212690A1 (en) * 2007-03-01 2008-09-04 Qualcomm Incorporated Transcoder media time conversion
JP4826533B2 (ja) * 2007-04-18 2011-11-30 ソニー株式会社 画像処理装置および画像処理方法、プログラム、並びに、記録媒体
JP5050158B2 (ja) * 2008-06-02 2012-10-17 株式会社メガチップス トランスコーダ
US8942490B2 (en) * 2008-07-08 2015-01-27 Yin-Chun Blue Lan Method of high performance image compression
US20110038416A1 (en) * 2009-08-14 2011-02-17 Apple Inc. Video coder providing improved visual quality during use of heterogeneous coding modes
CN115689968A (zh) * 2021-07-22 2023-02-03 中兴通讯股份有限公司 一种码流处理方法、装置、终端设备及存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0765576B1 (en) * 1994-06-17 2007-08-08 SNELL & WILCOX LIMITED Video compression
GB2333656B (en) * 1998-01-22 2002-08-14 British Broadcasting Corp Compressed signals
GB2333657B (en) * 1998-01-22 2002-08-21 Snell & Wilcox Ltd Video signal compression
CA2265089C (en) * 1998-03-10 2007-07-10 Sony Corporation Transcoding system using encoding history information
US6611624B1 (en) * 1998-03-13 2003-08-26 Cisco Systems, Inc. System and method for frame accurate splicing of compressed bitstreams
GB9908811D0 (en) * 1999-04-16 1999-06-09 Sony Uk Ltd Signal processor
GB9908809D0 (en) * 1999-04-16 1999-06-09 Sony Uk Ltd Signal processor
GB2353655B (en) * 1999-08-26 2003-07-23 Sony Uk Ltd Signal processor
GB2356999B (en) * 1999-12-02 2004-05-05 Sony Uk Ltd Video signal processing

Also Published As

Publication number Publication date
US6993080B2 (en) 2006-01-31
GB0104296D0 (en) 2001-04-11
JP2002320228A (ja) 2002-10-31
GB2372657A (en) 2002-08-28
GB2372657B (en) 2005-09-21
US20020136310A1 (en) 2002-09-26

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