ES2176482T3 - Conmutacion entre señales de velocidad de bits reducida. - Google Patents

Conmutacion entre señales de velocidad de bits reducida.

Info

Publication number
ES2176482T3
ES2176482T3 ES96928525T ES96928525T ES2176482T3 ES 2176482 T3 ES2176482 T3 ES 2176482T3 ES 96928525 T ES96928525 T ES 96928525T ES 96928525 T ES96928525 T ES 96928525T ES 2176482 T3 ES2176482 T3 ES 2176482T3
Authority
ES
Spain
Prior art keywords
current
switching
bits
speed signs
reduced bits
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
ES96928525T
Other languages
English (en)
Inventor
Nicholas Dominic Wells
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Application granted granted Critical
Publication of ES2176482T3 publication Critical patent/ES2176482T3/es
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]
    • H04N21/20—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
    • H04N21/23439—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 for generating different versions
    • 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • 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
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/172—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 an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/60—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
    • H04N21/23424—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
    • H04N19/134—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

SE PROPORCIONA UNA DISPOSICION DE CONMUTACION PARA MPEG U OTRAS SEÑALES DE VELOCIDAD BINARIA REDUCIDA. SE DISPONE UN CONMUTADOR DE SALIDA (66) PARA CONMUTAR ENTRE LA CORRIENTE DE BITS A; UNA CORRIENTE DE BITS PROVISIONAL DESARROLLADA EN TORNO AL PUNTO DE CONMUTACION; Y LA CORRIENTE DE BITS B. LA CORRIENTE DE BITS PROVISIONAL LA PROPORCIONA UN RECODIFICADOR (64) CUYA ENTRADA ESTA CONMUTADA EN (58) ENTRE UN DECODIFICADOR (52) PARA LA CORRIENTE DE BITS A Y UN DECODIFICADOR (56) PARA LA CORRIENTE DE BITS B.
ES96928525T 1995-08-31 1996-08-19 Conmutacion entre señales de velocidad de bits reducida. Expired - Lifetime ES2176482T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9517782A GB2307613B (en) 1995-08-31 1995-08-31 Switching bit-rate reduced signals

Publications (1)

Publication Number Publication Date
ES2176482T3 true ES2176482T3 (es) 2002-12-01

Family

ID=10780000

Family Applications (2)

Application Number Title Priority Date Filing Date
ES96928525T Expired - Lifetime ES2176482T3 (es) 1995-08-31 1996-08-19 Conmutacion entre señales de velocidad de bits reducida.
ES99102319T Expired - Lifetime ES2190622T3 (es) 1995-08-31 1996-08-19 Conmutacion entre señales de velocidad de bits reducida.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES99102319T Expired - Lifetime ES2190622T3 (es) 1995-08-31 1996-08-19 Conmutacion entre señales de velocidad de bits reducida.

Country Status (8)

Country Link
US (1) US6208759B1 (es)
EP (2) EP0923249B1 (es)
JP (1) JPH11511605A (es)
AU (1) AU6825896A (es)
DE (2) DE69627041T2 (es)
ES (2) ES2176482T3 (es)
GB (1) GB2307613B (es)
WO (1) WO1997008898A1 (es)

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EP0927495A4 (en) 1997-07-22 2001-05-30 Koninkl Philips Electronics Nv METHOD AND DEVICE FOR SWITCHING BETWEEN VIDEO SEQUENCES
JP3736808B2 (ja) 1997-07-25 2006-01-18 ソニー株式会社 編集装置、編集方法、再符号化装置及び再符号化方法
US5943508A (en) * 1997-07-28 1999-08-24 Tektronix, Inc. Switcher using shared decompression processors for processing both broadband and compressed video data
AU9122998A (en) * 1997-09-12 1999-04-05 Imedia Corporation Seamless splicing of compressed video programs
JPH11266431A (ja) * 1997-12-17 1999-09-28 Tektronix Inc ビデオ編集方法及び装置
KR100548665B1 (ko) * 1998-01-19 2006-02-03 소니 가부시끼 가이샤 편집 시스템, 편집 제어 장치 및 편집 제어 방법
JP4232209B2 (ja) 1998-01-19 2009-03-04 ソニー株式会社 圧縮画像データの編集装置及び圧縮画像データの編集方法
KR100664452B1 (ko) * 1998-02-03 2007-01-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 코딩된 비디오 시퀀스들을 스위칭하는 방법 및 그것에 대응하는 장치
EP0972408A2 (en) * 1998-02-03 2000-01-19 Koninklijke Philips Electronics N.V. Method of switching of coded video sequences and corresponding device
GB9807202D0 (en) 1998-04-03 1998-06-03 Nds Ltd A method and apparatus for processing compressed video data streams
GB9822087D0 (en) * 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB2347812A (en) * 1999-03-08 2000-09-13 Nds Ltd Real time splicing of video signals
EP1169864A2 (en) * 1999-04-14 2002-01-09 Sarnoff Corporation Method for generating and processing transition streams
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
GB2353653B (en) * 1999-08-26 2003-12-31 Sony Uk Ltd Signal processor
JP4331835B2 (ja) * 1999-09-22 2009-09-16 パナソニック株式会社 画像データ伝送方法
KR20010092795A (ko) * 1999-11-23 2001-10-26 요트.게.아. 롤페즈 엠피이지 비디오 스트림의 시임리스 스위칭
DE10010849C1 (de) * 2000-03-06 2001-06-21 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Analysieren eines Analyse-Zeitsignals
US6493388B1 (en) * 2000-04-19 2002-12-10 General Instrument Corporation Rate control and buffer protection for variable bit rate video programs over a constant rate channel
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CN102187667B (zh) * 2008-08-26 2014-07-23 Csir公司 从第一编码视频流切换到第二编码视频流的方法
CN101741500B (zh) * 2009-12-21 2013-01-09 浙江大学 边缘网处理器专用复接装置
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Also Published As

Publication number Publication date
EP0923249A1 (en) 1999-06-16
DE69627041D1 (de) 2003-04-30
DE69622410D1 (de) 2002-08-22
EP0846396B1 (en) 2002-07-17
AU6825896A (en) 1997-03-19
DE69627041T2 (de) 2004-01-15
DE69622410T2 (de) 2003-04-03
GB2307613A (en) 1997-05-28
ES2190622T3 (es) 2003-08-01
EP0846396A1 (en) 1998-06-10
US6208759B1 (en) 2001-03-27
GB2307613B (en) 2000-03-22
WO1997008898A1 (en) 1997-03-06
GB9517782D0 (en) 1995-11-01
JPH11511605A (ja) 1999-10-05
EP0923249B1 (en) 2003-03-26

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