NL1001171C2 - Een codetabelreductie-inrichting voor variabele lengtedecoder. - Google Patents

Een codetabelreductie-inrichting voor variabele lengtedecoder. Download PDF

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Publication number
NL1001171C2
NL1001171C2 NL1001171A NL1001171A NL1001171C2 NL 1001171 C2 NL1001171 C2 NL 1001171C2 NL 1001171 A NL1001171 A NL 1001171A NL 1001171 A NL1001171 A NL 1001171A NL 1001171 C2 NL1001171 C2 NL 1001171C2
Authority
NL
Netherlands
Prior art keywords
code
input
coefficient table
dct coefficient
length
Prior art date
Application number
NL1001171A
Other languages
English (en)
Dutch (nl)
Inventor
Po-Chuan Huang
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
Application filed by United Microelectronics Corp filed Critical United Microelectronics Corp
Priority to NL1001171A priority Critical patent/NL1001171C2/nl
Priority to US08/527,211 priority patent/US5619200A/en
Priority to FR9511141A priority patent/FR2739234B1/fr
Application granted granted Critical
Publication of NL1001171C2 publication Critical patent/NL1001171C2/nl

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)
NL1001171A 1995-09-11 1995-09-11 Een codetabelreductie-inrichting voor variabele lengtedecoder. NL1001171C2 (nl)

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 (6)

Application Number Priority Date Filing Date Title
NL1001171A NL1001171C2 (nl) 1995-09-11 1995-09-11 Een codetabelreductie-inrichting voor variabele lengtedecoder.
NL1001171 1995-09-11
US08/527,211 US5619200A (en) 1995-09-11 1995-09-12 Code table reduction apparatus for variable length decoder
US52721195 1995-09-12
FR9511141 1995-09-22
FR9511141A FR2739234B1 (fr) 1995-09-11 1995-09-22 Dispositif de compression formant table de codage pour decodeur a longueur variable

Publications (1)

Publication Number Publication Date
NL1001171C2 true NL1001171C2 (nl) 1997-03-13

Family

ID=27253102

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1001171A NL1001171C2 (nl) 1995-09-11 1995-09-11 Een codetabelreductie-inrichting voor variabele lengtedecoder.

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5233348A (en) * 1992-03-26 1993-08-03 General Instrument Corporation Variable length code word decoder for use in digital communication systems

Family Cites Families (5)

* 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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5233348A (en) * 1992-03-26 1993-08-03 General Instrument Corporation Variable length code word decoder for use in digital communication systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 383 (P - 646) 15 December 1987 (1987-12-15) *

Also Published As

Publication number Publication date
FR2739234B1 (fr) 1997-11-14
US5619200A (en) 1997-04-08
FR2739234A1 (fr) 1997-03-28

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MK Patent expired because of reaching the maximum lifetime of a patent

Effective date: 20150910