DE69630764D1 - Dekodierer variabler Länge unter Verwendung eines Speichers - Google Patents

Dekodierer variabler Länge unter Verwendung eines Speichers

Info

Publication number
DE69630764D1
DE69630764D1 DE69630764T DE69630764T DE69630764D1 DE 69630764 D1 DE69630764 D1 DE 69630764D1 DE 69630764 T DE69630764 T DE 69630764T DE 69630764 T DE69630764 T DE 69630764T DE 69630764 D1 DE69630764 D1 DE 69630764D1
Authority
DE
Germany
Prior art keywords
memory
variable length
length decoder
decoder
variable
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
DE69630764T
Other languages
English (en)
Other versions
DE69630764T2 (de
Inventor
Dae-Yun Shim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE69630764D1 publication Critical patent/DE69630764D1/de
Publication of DE69630764T2 publication Critical patent/DE69630764T2/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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • 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
    • 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)
  • Dram (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Static Random-Access Memory (AREA)
DE1996630764 1995-10-14 1996-10-11 Dekodierer variabler Länge unter Verwendung eines Speichers Expired - Lifetime DE69630764T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019950035448A KR0176537B1 (ko) 1995-10-14 1995-10-14 가변길이복호화기의 메모리 인터페이스방법 및 회로
KR9535448 1995-10-14

Publications (2)

Publication Number Publication Date
DE69630764D1 true DE69630764D1 (de) 2003-12-24
DE69630764T2 DE69630764T2 (de) 2004-09-23

Family

ID=19430221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996630764 Expired - Lifetime DE69630764T2 (de) 1995-10-14 1996-10-11 Dekodierer variabler Länge unter Verwendung eines Speichers

Country Status (5)

Country Link
US (1) US5822770A (de)
EP (1) EP0768763B1 (de)
JP (1) JP3032161B2 (de)
KR (1) KR0176537B1 (de)
DE (1) DE69630764T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6571301B1 (en) * 1998-08-26 2003-05-27 Fujitsu Limited Multi processor system and FIFO circuit
JP2002218474A (ja) * 2001-01-24 2002-08-02 Mitsubishi Electric Corp 画像データ符号化装置
JP6329521B2 (ja) * 2015-04-09 2018-05-23 日本電信電話株式会社 参照画像バッファ

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680055A (en) * 1970-07-06 1972-07-25 Burroughs Corp Buffer memory having read and write address comparison for indicating occupancy
GB8722394D0 (en) * 1987-09-23 1987-10-28 British Telecomm Video coder
EP0428771B1 (de) * 1989-11-21 1995-02-01 Deutsche ITT Industries GmbH Zweiwege-Datenübergabe-Einrichtung
US5220325A (en) * 1991-03-28 1993-06-15 At&T Bell Laboratories Hierarchical variable length decoder for digital video data
US5231485A (en) * 1991-11-19 1993-07-27 Scientific-Atlanta, Inc. Method and apparatus for transforming between fixed-rate vector quantized data and variable rate vector quantized data
US5371518A (en) * 1992-02-27 1994-12-06 Silicon Graphics, Inc. Video timing and display ID generator
US5440753A (en) * 1992-11-13 1995-08-08 Motorola, Inc. Variable length string matcher
US5386212A (en) * 1992-11-19 1995-01-31 General Instrument Corporation Double buffer scheme for variable length decoder
CA2106271C (en) * 1993-01-11 2004-11-30 Joseph H. Steinmetz Single and multistage stage fifo designs for data transfer synchronizers
US5424733A (en) * 1993-02-17 1995-06-13 Zenith Electronics Corp. Parallel path variable length decoding for video signals
FR2705805B1 (fr) * 1993-05-27 1996-06-28 Sgs Thomson Microelectronics Système de traitement d'images.
US5513224A (en) * 1993-09-16 1996-04-30 Codex, Corp. Fill level indicator for self-timed fifo
US5479527A (en) * 1993-12-08 1995-12-26 Industrial Technology Research Inst. Variable length coding system
FR2716054B1 (fr) * 1994-02-04 1996-04-19 Sgs Thomson Microelectronics Etage de décalage pour décodeur de codes numériques de longueurs variables.
KR0121105B1 (ko) * 1994-02-04 1997-11-10 문정환 선입선출메모리 버스장치
US5576765A (en) * 1994-03-17 1996-11-19 International Business Machines, Corporation Video decoder
US5502493A (en) * 1994-05-19 1996-03-26 Matsushita Electric Corporation Of America Variable length data decoder for use with MPEG encoded video data
KR0134299B1 (ko) * 1994-07-11 1998-04-29 김광호 가변장디코딩장치의 동기 복원방법 및 장치

Also Published As

Publication number Publication date
JPH09223973A (ja) 1997-08-26
US5822770A (en) 1998-10-13
JP3032161B2 (ja) 2000-04-10
KR0176537B1 (ko) 1999-05-01
KR970025144A (ko) 1997-05-30
EP0768763B1 (de) 2003-11-19
DE69630764T2 (de) 2004-09-23
EP0768763A2 (de) 1997-04-16
EP0768763A3 (de) 1998-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition