DE69435216D1 - Multiplexsystem mit konstantbitratenkodierer - Google Patents

Multiplexsystem mit konstantbitratenkodierer

Info

Publication number
DE69435216D1
DE69435216D1 DE69435216T DE69435216T DE69435216D1 DE 69435216 D1 DE69435216 D1 DE 69435216D1 DE 69435216 T DE69435216 T DE 69435216T DE 69435216 T DE69435216 T DE 69435216T DE 69435216 D1 DE69435216 D1 DE 69435216D1
Authority
DE
Germany
Prior art keywords
multiplex system
constant bitrate
bitrate encoder
encoder
constant
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
DE69435216T
Other languages
English (en)
Inventor
Mehmet Ozkan
Billy Wesley Beyers
Daniel Jorge Reininger
Kuriacose Joseph
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.)
Technicolor USA Inc
Original Assignee
Thomson Inc
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 Thomson Inc filed Critical Thomson Inc
Application granted granted Critical
Publication of DE69435216D1 publication Critical patent/DE69435216D1/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
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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
    • H04N21/2365—Multiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling
    • 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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/17—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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/60—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
    • H04N21/236—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
    • H04N21/2365—Multiplexing of several video streams
    • H04N21/23655—Statistical multiplexing, e.g. by controlling the encoder to alter its bitrate to optimize the bandwidth utilization
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
DE69435216T 1994-04-20 1994-04-20 Multiplexsystem mit konstantbitratenkodierer Expired - Lifetime DE69435216D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1994/004333 WO1995029559A1 (en) 1994-04-20 1994-04-20 A multiplexer system using constant bit rate encoders

Publications (1)

Publication Number Publication Date
DE69435216D1 true DE69435216D1 (de) 2009-08-20

Family

ID=22242479

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69435216T Expired - Lifetime DE69435216D1 (de) 1994-04-20 1994-04-20 Multiplexsystem mit konstantbitratenkodierer

Country Status (6)

Country Link
EP (1) EP0803163B1 (de)
JP (1) JPH09512396A (de)
KR (1) KR100314329B1 (de)
AU (1) AU6816094A (de)
DE (1) DE69435216D1 (de)
WO (1) WO1995029559A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756800B1 (de) * 1995-02-22 2000-05-10 Koninklijke Philips Electronics N.V. System zur simultanen übertragung mehrerer videoprogramme über einen übertragungskanal
US5835498A (en) * 1995-10-05 1998-11-10 Silicon Image, Inc. System and method for sending multiple data signals over a serial link
US5862140A (en) * 1995-11-21 1999-01-19 Imedia Corporation Method and apparatus for multiplexing video programs for improved channel utilization
US5956088A (en) * 1995-11-21 1999-09-21 Imedia Corporation Method and apparatus for modifying encoded digital video for improved channel utilization
US5877812A (en) * 1995-11-21 1999-03-02 Imedia Corporation Method and apparatus for increasing channel utilization for digital video transmission
US5793425A (en) * 1996-09-13 1998-08-11 Philips Electronics North America Corporation Method and apparatus for dynamically controlling encoding parameters of multiple encoders in a multiplexed system
FR2764156B1 (fr) * 1997-05-27 1999-11-05 Thomson Broadcast Systems Dispositif de pretraitement pour codage mpeg ii
KR100495101B1 (ko) * 1997-12-24 2005-09-30 주식회사 팬택앤큐리텔 무선가입자망 시스템에서의 기지국내 트래픽 데이터다중/역다중 처리장치
US6570922B1 (en) * 1998-11-24 2003-05-27 General Instrument Corporation Rate control for an MPEG transcoder without a priori knowledge of picture type
CN1197386C (zh) 2000-04-18 2005-04-13 皇家菲利浦电子有限公司 联合比特率转码中的比特率分配
US20120249869A1 (en) * 2009-12-14 2012-10-04 Thomson Licensing Statmux method for broadcasting
US20140112386A1 (en) * 2012-10-22 2014-04-24 General Instrument Corporation Algorithms for determining bitrate for a statistical multiplexing system to account for signal complexity including film mode and gop structural changes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1253255A (en) * 1983-05-16 1989-04-25 Nec Corporation System for simultaneously coding and decoding a plurality of signals
JPH0624341B2 (ja) * 1986-12-18 1994-03-30 三菱電機株式会社 マルチメディアデータ伝送方式
EP0418396B1 (de) * 1989-03-16 1998-06-03 Fujitsu Limited Video/audiomultiplexübertragungssystem
IT1237668B (it) * 1989-10-31 1993-06-15 Telettra Lab Telefon Sistema e multiplatore/demultiplatore per la trasmissione/ricezione di informazione digitale televisiva.
US5134476A (en) * 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
US5115309A (en) * 1990-09-10 1992-05-19 At&T Bell Laboratories Method and apparatus for dynamic channel bandwidth allocation among multiple parallel video coders
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
JP2500582B2 (ja) * 1993-03-17 1996-05-29 日本電気株式会社 動画像信号の多重化伝送方法とその装置
BE1007490A3 (nl) * 1993-09-10 1995-07-11 Philips Electronics Nv Inrichting voor het overdragen van een pluraliteit van televisie signalen over een transmissie kanaal.

Also Published As

Publication number Publication date
JPH09512396A (ja) 1997-12-09
WO1995029559A1 (en) 1995-11-02
EP0803163A1 (de) 1997-10-29
EP0803163A4 (de) 1998-05-20
AU6816094A (en) 1995-11-16
KR970702663A (ko) 1997-05-13
KR100314329B1 (ko) 2001-12-28
EP0803163B1 (de) 2009-07-08

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition