DE69724440D1 - Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten - Google Patents

Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten

Info

Publication number
DE69724440D1
DE69724440D1 DE69724440T DE69724440T DE69724440D1 DE 69724440 D1 DE69724440 D1 DE 69724440D1 DE 69724440 T DE69724440 T DE 69724440T DE 69724440 T DE69724440 T DE 69724440T DE 69724440 D1 DE69724440 D1 DE 69724440D1
Authority
DE
Germany
Prior art keywords
decoder
mpeg
speeds
video data
variable length
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 - Fee Related
Application number
DE69724440T
Other languages
English (en)
Other versions
DE69724440T2 (de
Inventor
Karl Wittig
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69724440D1 publication Critical patent/DE69724440D1/de
Publication of DE69724440T2 publication Critical patent/DE69724440T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • H03M7/425—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory for the decoding process only
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69724440T 1996-12-20 1997-12-18 Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten Expired - Fee Related DE69724440T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US772078 1991-10-07
US08/772,078 US6011498A (en) 1996-12-20 1996-12-20 Dual-speed variable length decoding architecture for MPEG-2 video data
PCT/IB1997/001581 WO1998028711A2 (en) 1996-12-20 1997-12-18 Dual-speed variable length decoder and decoding architecture for mpeg-2 video data

Publications (2)

Publication Number Publication Date
DE69724440D1 true DE69724440D1 (de) 2003-10-02
DE69724440T2 DE69724440T2 (de) 2004-06-24

Family

ID=25093845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69724440T Expired - Fee Related DE69724440T2 (de) 1996-12-20 1997-12-18 Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten

Country Status (5)

Country Link
US (1) US6011498A (de)
EP (1) EP0925555B1 (de)
JP (1) JP2000506715A (de)
DE (1) DE69724440T2 (de)
WO (1) WO1998028711A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6636222B1 (en) * 1999-11-09 2003-10-21 Broadcom Corporation Video and graphics system with an MPEG video decoder for concurrent multi-row decoding
US6215424B1 (en) * 1998-12-16 2001-04-10 Thomson Licensing S.A. System for variable length codeword processing suitable for video and other applications
US6304604B1 (en) * 1998-12-24 2001-10-16 Compaq Computer Corporation Method and apparatus for configuring compressed data coefficients to minimize transpose operations
US6414608B1 (en) * 1999-06-09 2002-07-02 Matsushita Electric Industrial Co., Ltd. Variable length code decoding device, digital broadcast receiving apparatus, and DVD reproducing apparatus
US7292730B1 (en) * 1999-12-09 2007-11-06 Intel Corporation Two-dimensional inverse discrete cosine transforming
US6445314B1 (en) * 2000-03-01 2002-09-03 Cisco Technology Inc. System and method for the decoding of variable length codes
US6501398B2 (en) * 2000-03-24 2002-12-31 Matsushita Electric Industrial Co., Ltd. Variable-length code decoder using barrel shifters and a look-up table
US7034777B1 (en) * 2000-08-15 2006-04-25 Logitech Europe S.A. Mini monitor on shared peripheral bus
US6958715B2 (en) * 2001-02-20 2005-10-25 Texas Instruments Incorporated Variable length decoding system and method
US6925126B2 (en) * 2001-04-18 2005-08-02 Koninklijke Philips Electronics N.V. Dynamic complexity prediction and regulation of MPEG2 decoding in a media processor
CN1245839C (zh) * 2001-07-04 2006-03-15 矽统科技股份有限公司 分散式视频数据流解码方法
US7132963B2 (en) * 2004-09-13 2006-11-07 Ati Technologies Inc. Methods and apparatus for processing variable length coded data
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
TWI289979B (en) * 2005-08-16 2007-11-11 Via Tech Inc Device and method for variable length decoding
CN101223552A (zh) * 2005-08-17 2008-07-16 Nxp股份有限公司 用于深度提取的视频处理方法和装置
CN101658042B (zh) * 2007-03-13 2016-03-02 诺基亚技术有限公司 用于视频编码和解码的系统和方法
TWI332770B (en) * 2007-03-21 2010-11-01 Via Tech Inc Variable length decoding device and method for improving variable length decoding performance

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173695A (en) * 1990-06-29 1992-12-22 Bell Communications Research, Inc. High-speed flexible variable-length-code decoder
US5233348A (en) * 1992-03-26 1993-08-03 General Instrument Corporation Variable length code word decoder for use in digital communication systems
US5231486A (en) * 1992-07-27 1993-07-27 General Electric Company Data separation processing in a dual channel digital high definition television system
KR950024594A (ko) * 1994-01-28 1995-08-21 모리시타 요이찌 가변길이부호복호회로
US5550542A (en) * 1994-05-04 1996-08-27 Matsushita Electric Corporation Of America Variable length code look-up table having separate code length determination
FR2722041B1 (fr) * 1994-06-30 1998-01-02 Samsung Electronics Co Ltd Decodeur de huffman
JP3279852B2 (ja) * 1994-12-14 2002-04-30 株式会社日立製作所 信号復号装置
US5666116A (en) * 1995-12-01 1997-09-09 U.S. Philips Corporation High speed variable-length decoder arrangement
US5663726A (en) * 1995-12-01 1997-09-02 U.S. Philips Corporation High speed variable-length decoder arrangement with reduced memory requirements for tag stream buffering
US5650905A (en) * 1995-12-28 1997-07-22 Philips Electronics North America Corporation Variable length decoder with adaptive acceleration in processing of Huffman encoded bit streams

Also Published As

Publication number Publication date
EP0925555A2 (de) 1999-06-30
EP0925555B1 (de) 2003-08-27
DE69724440T2 (de) 2004-06-24
US6011498A (en) 2000-01-04
JP2000506715A (ja) 2000-05-30
WO1998028711A2 (en) 1998-07-02
WO1998028711A3 (en) 1998-08-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee