FR2739234B1 - Dispositif de compression formant table de codage pour decodeur a longueur variable - Google Patents

Dispositif de compression formant table de codage pour decodeur a longueur variable

Info

Publication number
FR2739234B1
FR2739234B1 FR9511141A FR9511141A FR2739234B1 FR 2739234 B1 FR2739234 B1 FR 2739234B1 FR 9511141 A FR9511141 A FR 9511141A FR 9511141 A FR9511141 A FR 9511141A FR 2739234 B1 FR2739234 B1 FR 2739234B1
Authority
FR
France
Prior art keywords
variable length
compression device
device forming
coding table
length decoder
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
FR9511141A
Other languages
English (en)
Other versions
FR2739234A1 (fr
Inventor
Po Chuan Huang
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.)
United Microelectronics Corp
Original Assignee
United Microelectronics 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
Priority to NL1001171A priority Critical patent/NL1001171C2/nl
Priority to US08/527,211 priority patent/US5619200A/en
Application filed by United Microelectronics Corp filed Critical United Microelectronics Corp
Priority to FR9511141A priority patent/FR2739234B1/fr
Publication of FR2739234A1 publication Critical patent/FR2739234A1/fr
Application granted granted Critical
Publication of FR2739234B1 publication Critical patent/FR2739234B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N19/10—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/90—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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9511141A 1995-09-11 1995-09-22 Dispositif de compression formant table de codage pour decodeur a longueur variable Expired - Lifetime FR2739234B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL1001171A NL1001171C2 (nl) 1995-09-11 1995-09-11 Een codetabelreductie-inrichting voor variabele lengtedecoder.
US08/527,211 US5619200A (en) 1995-09-11 1995-09-12 Code table reduction apparatus for variable length decoder
FR9511141A FR2739234B1 (fr) 1995-09-11 1995-09-22 Dispositif de compression formant table de codage pour decodeur a longueur variable

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1001171A NL1001171C2 (nl) 1995-09-11 1995-09-11 Een codetabelreductie-inrichting voor variabele lengtedecoder.
US08/527,211 US5619200A (en) 1995-09-11 1995-09-12 Code table reduction apparatus for variable length decoder
FR9511141A FR2739234B1 (fr) 1995-09-11 1995-09-22 Dispositif de compression formant table de codage pour decodeur a longueur variable

Publications (2)

Publication Number Publication Date
FR2739234A1 FR2739234A1 (fr) 1997-03-28
FR2739234B1 true FR2739234B1 (fr) 1997-11-14

Family

ID=27253102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9511141A Expired - Lifetime FR2739234B1 (fr) 1995-09-11 1995-09-22 Dispositif de compression formant table de codage pour decodeur a longueur variable

Country Status (3)

Country Link
US (1) US5619200A (fr)
FR (1) FR2739234B1 (fr)
NL (1) NL1001171C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980052329A (ko) * 1996-12-24 1998-09-25 구자홍 오디오 디코더의 비트 스트림 파싱장치
US6744928B1 (en) * 1997-03-12 2004-06-01 Matsushita Electric Industrial Co., Ltd. Variable-length decoding method and apparatus employing code length and a recording medium
CN105763200B (zh) * 2016-02-05 2018-10-16 大连大学 基于dna链置换的4-10译码器设计方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150368A (en) * 1977-07-07 1979-04-17 International Telephone And Telegraph Corporation Signal coding for compressed pulse code modulation system
US4580129A (en) * 1983-11-14 1986-04-01 Northern Telecom Limited Variable word length decoder
JPS62150428A (ja) * 1985-12-25 1987-07-04 Fujitsu Ltd 可変語長変換回路
US4698672A (en) * 1986-10-27 1987-10-06 Compression Labs, Inc. Coding system for reducing redundancy
JP2766302B2 (ja) * 1989-04-06 1998-06-18 株式会社東芝 可変長符号並列解読方法および装置
JPH04185119A (ja) * 1990-11-20 1992-07-02 Matsushita Electric Ind Co Ltd 可変長符号化装置
US5233348A (en) * 1992-03-26 1993-08-03 General Instrument Corporation Variable length code word decoder for use in digital communication systems
US5479166A (en) * 1993-11-30 1995-12-26 Texas Instruments Incorporated Huffman decoding method, circuit and system employing conditional subtraction for conversion of negative numbers

Also Published As

Publication number Publication date
NL1001171C2 (nl) 1997-03-13
US5619200A (en) 1997-04-08
FR2739234A1 (fr) 1997-03-28

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