DE69622410T2 - Umschalten zwischen bitratenreduzierten signalen - Google Patents

Umschalten zwischen bitratenreduzierten signalen

Info

Publication number
DE69622410T2
DE69622410T2 DE69622410T DE69622410T DE69622410T2 DE 69622410 T2 DE69622410 T2 DE 69622410T2 DE 69622410 T DE69622410 T DE 69622410T DE 69622410 T DE69622410 T DE 69622410T DE 69622410 T2 DE69622410 T2 DE 69622410T2
Authority
DE
Germany
Prior art keywords
bitrate
switching
reduced signals
signals
reduced
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
DE69622410T
Other languages
English (en)
Other versions
DE69622410D1 (de
Inventor
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 DE69622410D1 publication Critical patent/DE69622410D1/de
Publication of DE69622410T2 publication Critical patent/DE69622410T2/de
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
DE69622410T 1995-08-31 1996-08-19 Umschalten zwischen bitratenreduzierten signalen Expired - Lifetime DE69622410T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9517782A GB2307613B (en) 1995-08-31 1995-08-31 Switching bit-rate reduced signals
PCT/GB1996/002036 WO1997008898A1 (en) 1995-08-31 1996-08-19 Switching between bit-rate reduced signals

Publications (2)

Publication Number Publication Date
DE69622410D1 DE69622410D1 (de) 2002-08-22
DE69622410T2 true DE69622410T2 (de) 2003-04-03

Family

ID=10780000

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69622410T Expired - Lifetime DE69622410T2 (de) 1995-08-31 1996-08-19 Umschalten zwischen bitratenreduzierten signalen
DE69627041T Expired - Lifetime DE69627041T2 (de) 1995-08-31 1996-08-19 Umschalten zwischen bitratenreduzierten Signalen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69627041T Expired - Lifetime DE69627041T2 (de) 1995-08-31 1996-08-19 Umschalten zwischen bitratenreduzierten Signalen

Country Status (8)

Country Link
US (1) US6208759B1 (de)
EP (2) EP0846396B1 (de)
JP (1) JPH11511605A (de)
AU (1) AU6825896A (de)
DE (2) DE69622410T2 (de)
ES (2) ES2190622T3 (de)
GB (1) GB2307613B (de)
WO (1) WO1997008898A1 (de)

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CN1234945A (zh) 1997-05-27 1999-11-10 皇家菲利浦电子有限公司 转换视频序列的方法和相应的转换装置和解码系统
GB2369518B (en) * 1997-07-18 2002-07-17 British Broadcasting Corp Switching compressed video bitstreams
JP2001501072A (ja) 1997-07-22 2001-01-23 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 ビデオシーケンス間の切換方法及び対応する装置
EP0923243B1 (de) 1997-07-25 2010-09-15 Sony Corporation Bearbeitungsanlage, bearbeitungsverfahren, spleissungsanlage, spleissungsverfahren, kodieranlage und kodierverfahren
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
CA2284216A1 (en) * 1998-01-19 1999-07-22 Sony Corporation Edit system, edit control device, and edit control method
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
WO1999040727A2 (en) * 1998-02-03 1999-08-12 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
EP1169864A2 (de) * 1999-04-14 2002-01-09 Sarnoff Corporation Verfahren für die erzeugung und verarbeitung von übergangsströmen
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
CN1173572C (zh) * 1999-11-23 2004-10-27 皇家菲利浦电子有限公司 Mpeg视频流的无缝切换
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
RU2522984C2 (ru) * 2008-08-26 2014-07-20 Ксир Способ переключения от кодированного видеопотока источника к кодированному видеопотоку пункта назначения
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
JP6271756B2 (ja) 2013-12-02 2018-01-31 ドルビー・インターナショナル・アーベー ビットレート信号伝達の方法および該方法を可能にするビットストリーム・フォーマット
US11206441B2 (en) 2019-11-13 2021-12-21 Disney Enterprises, Inc. Automated media production pipeline for generating personalized media content
US20210144416A1 (en) * 2019-11-13 2021-05-13 Disney Enterprises, Inc. Generating media programs configured for seamless playback

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US4706260A (en) * 1986-11-07 1987-11-10 Rca Corporation DPCM system with rate-of-fill control of buffer occupancy
US5325131A (en) * 1993-05-03 1994-06-28 Tektronix, Inc. Multiformat television switcher
JP3349778B2 (ja) * 1993-07-16 2002-11-25 松下電器産業株式会社 可変レート通信におけるレート判定方法およびその装置
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EP0661885A1 (de) * 1993-12-28 1995-07-05 Canon Kabushiki Kaisha Bildverarbeitungsverfahren und Vorrichtung zur Umwandlung von in verschiedenen Formaten codierten Daten
JP3019912B2 (ja) * 1994-07-22 2000-03-15 日本ビクター株式会社 画像データ編集装置
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Also Published As

Publication number Publication date
GB9517782D0 (en) 1995-11-01
WO1997008898A1 (en) 1997-03-06
GB2307613B (en) 2000-03-22
GB2307613A (en) 1997-05-28
JPH11511605A (ja) 1999-10-05
US6208759B1 (en) 2001-03-27
EP0846396B1 (de) 2002-07-17
ES2176482T3 (es) 2002-12-01
DE69627041D1 (de) 2003-04-30
DE69622410D1 (de) 2002-08-22
ES2190622T3 (es) 2003-08-01
EP0923249A1 (de) 1999-06-16
DE69627041T2 (de) 2004-01-15
EP0846396A1 (de) 1998-06-10
EP0923249B1 (de) 2003-03-26
AU6825896A (en) 1997-03-19

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