ES2190622T3 - Conmutacion entre señales de velocidad de bits reducida. - Google Patents

Conmutacion entre señales de velocidad de bits reducida.

Info

Publication number
ES2190622T3
ES2190622T3 ES99102319T ES99102319T ES2190622T3 ES 2190622 T3 ES2190622 T3 ES 2190622T3 ES 99102319 T ES99102319 T ES 99102319T ES 99102319 T ES99102319 T ES 99102319T ES 2190622 T3 ES2190622 T3 ES 2190622T3
Authority
ES
Spain
Prior art keywords
bits
switching
train
speed signals
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
ES99102319T
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 ES2190622T3 publication Critical patent/ES2190622T3/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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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, manipulating MPEG-4 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, manipulating MPEG-4 scene graphs
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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

Abstract

UN DISPOSITIVO CONMUTADOR ESTA PREVISTO PARA SEÑALES MPEG U OTRAS SEÑALES DE REDUCIDA VELOCIDAD BINARIA. UN CONMUTADOR DE SALIDA 66 ESTA DISPUESTO PARA CONMUTAR ENTRE TRENES DE BITS A, UN TREN DE BITS PROVISIONAL DESARROLLADO ALREDEDOR DE UN PUNTO DE CONMUTACION, Y UN TREN DE BITS B. EL TREN DE BITS PROVISIONAL ESTA PROVISTO DE UN RECODIFICADOR 64 A LA ENTRADA DEL CUAL SE CONMUTA EN 58 ENTRE UN DECODIFICADOR 52 PARA EL TREN DE BITS A Y UN DECODIFICADOR 56 PARA EL TREN DE BITS B.
ES99102319T 1995-08-31 1996-08-19 Conmutacion entre señales de velocidad de bits reducida. Expired - Lifetime ES2190622T3 (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
ES2190622T3 true ES2190622T3 (es) 2003-08-01

Family

ID=10780000

Family Applications (2)

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.
ES96928525T Expired - Lifetime ES2176482T3 (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
ES96928525T Expired - Lifetime ES2176482T3 (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) EP0846396B1 (es)
JP (1) JPH11511605A (es)
AU (1) AU6825896A (es)
DE (2) DE69622410T2 (es)
ES (2) ES2190622T3 (es)
GB (1) GB2307613B (es)
WO (1) WO1997008898A1 (es)

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JP2000515711A (ja) 1997-05-27 2000-11-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ビデオシーケンス切替方法、その切替装置及び復号化システム
GB2327548B (en) * 1997-07-18 2002-05-01 British Broadcasting Corp Switching compressed video bitstreams
CN1236527A (zh) * 1997-07-22 1999-11-24 皇家菲利浦电子有限公司 在视频序列之间进行切换的方法及相应的装置
KR100604631B1 (ko) 1997-07-25 2006-07-28 소니 가부시끼 가이샤 편집 장치, 편집 방법, 재부호화 장치, 재부호화 방법,스플라이싱 장치 및 스플라이싱 방법
US5943508A (en) * 1997-07-28 1999-08-24 Tektronix, Inc. Switcher using shared decompression processors for processing both broadband and compressed video data
JP2001517040A (ja) * 1997-09-12 2001-10-02 イメディア コーポレイション 圧縮ビデオプログラムのシームレススプライシング
JPH11266431A (ja) * 1997-12-17 1999-09-28 Tektronix Inc ビデオ編集方法及び装置
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
EP0982726A4 (en) * 1998-01-19 2003-06-04 Sony Corp CUTTING SYSTEM, CUTTING CONTROL DEVICE AND CUTTING METHOD
EP0972408A2 (en) * 1998-02-03 2000-01-19 Koninklijke Philips Electronics N.V. Method of switching of coded video sequences and corresponding device
CN1169373C (zh) 1998-02-03 2004-09-29 皇家菲利浦电子有限公司 编码图像序列的切换方法及相应装置
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
CA2366549C (en) * 1999-04-14 2015-09-08 Sarnoff Corporation Method for generating and processing transition streams
GB9908809D0 (en) 1999-04-16 1999-06-09 Sony Uk Ltd Signal processor
GB2353653B (en) 1999-08-26 2003-12-31 Sony Uk Ltd Signal processor
GB2353655B (en) * 1999-08-26 2003-07-23 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
EP1149494A1 (en) * 1999-11-23 2001-10-31 Koninklijke Philips Electronics N.V. Seamless switching of mpeg video streams
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
US7346698B2 (en) * 2000-12-20 2008-03-18 G. W. Hannaway & Associates Webcasting method and system for time-based synchronization of multiple, independent media streams
WO2003001695A1 (en) * 2001-06-26 2003-01-03 Cineform, Inc. Method and apparatus for real-time editing of plural content streams
US20040146211A1 (en) * 2003-01-29 2004-07-29 Knapp Verna E. Encoder and method for encoding
US9171577B1 (en) 2003-04-25 2015-10-27 Gopro, Inc. Encoding and decoding selectively retrievable representations of video content
US8014597B1 (en) 2006-03-22 2011-09-06 Woodman Labs Method for efficient compression and decoding of single sensor color image data
GB2438004B (en) * 2006-05-08 2011-08-24 Snell & Wilcox Ltd Creation and compression of video data
US8448230B2 (en) 2008-08-22 2013-05-21 International Business Machines Corporation System and method for real world biometric analytics through the use of a multimodal biometric analytic wallet
US9226022B2 (en) 2008-08-26 2015-12-29 Csir Method of switching from a first encoded video stream to a second encoded video stream
CN101741500B (zh) * 2009-12-21 2013-01-09 浙江大学 边缘网处理器专用复接装置
US8630412B2 (en) 2010-08-25 2014-01-14 Motorola Mobility Llc Transport of partially encrypted media
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Also Published As

Publication number Publication date
AU6825896A (en) 1997-03-19
DE69622410T2 (de) 2003-04-03
JPH11511605A (ja) 1999-10-05
GB2307613A (en) 1997-05-28
EP0923249B1 (en) 2003-03-26
ES2176482T3 (es) 2002-12-01
WO1997008898A1 (en) 1997-03-06
DE69622410D1 (de) 2002-08-22
GB2307613B (en) 2000-03-22
EP0846396B1 (en) 2002-07-17
US6208759B1 (en) 2001-03-27
DE69627041D1 (de) 2003-04-30
GB9517782D0 (en) 1995-11-01
EP0846396A1 (en) 1998-06-10
EP0923249A1 (en) 1999-06-16
DE69627041T2 (de) 2004-01-15

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