DE69327021D1 - Dekodierschaltung für einen Kode variabler Länge - Google Patents

Dekodierschaltung für einen Kode variabler Länge

Info

Publication number
DE69327021D1
DE69327021D1 DE69327021T DE69327021T DE69327021D1 DE 69327021 D1 DE69327021 D1 DE 69327021D1 DE 69327021 T DE69327021 T DE 69327021T DE 69327021 T DE69327021 T DE 69327021T DE 69327021 D1 DE69327021 D1 DE 69327021D1
Authority
DE
Germany
Prior art keywords
code
variable length
decoding circuit
decoding
circuit
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
DE69327021T
Other languages
English (en)
Other versions
DE69327021T2 (de
Inventor
Yasushi Ooi
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.)
NEC Electronics Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69327021D1 publication Critical patent/DE69327021D1/de
Publication of DE69327021T2 publication Critical patent/DE69327021T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69327021T 1992-08-03 1993-08-03 Dekodierschaltung für einen Kode variabler Länge Expired - Fee Related DE69327021T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4206345A JP3008685B2 (ja) 1992-08-03 1992-08-03 可変長符号の復号化回路

Publications (2)

Publication Number Publication Date
DE69327021D1 true DE69327021D1 (de) 1999-12-23
DE69327021T2 DE69327021T2 (de) 2000-07-13

Family

ID=16521769

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327021T Expired - Fee Related DE69327021T2 (de) 1992-08-03 1993-08-03 Dekodierschaltung für einen Kode variabler Länge

Country Status (4)

Country Link
US (1) US5398027A (de)
EP (1) EP0582273B1 (de)
JP (1) JP3008685B2 (de)
DE (1) DE69327021T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2746109B2 (ja) * 1994-03-09 1998-04-28 日本電気株式会社 ハフマン符号復号化回路
JP2604546B2 (ja) * 1994-05-19 1997-04-30 日本電気アイシーマイコンシステム株式会社 可変長符号の復号化処理装置
JP3220598B2 (ja) * 1994-08-31 2001-10-22 三菱電機株式会社 可変長符号テーブルおよび可変長符号化装置
KR0152038B1 (ko) * 1994-10-17 1998-10-15 김광호 상대 주소를 이용한 가변장 복호화 장치
DE4441293C2 (de) * 1994-11-21 1999-01-21 Sican Gmbh Verfahren und Schaltungsanordnung zum Lesen von Codewörtern variabler Länge aus einem Datenspeicher mit fester Wortlänge
KR0154011B1 (ko) * 1995-03-16 1998-11-16 배순훈 가변길이 복호화 장치
GB2313511B (en) * 1996-05-25 2000-03-22 Motorola Inc Decoder circuit and method
JP3410629B2 (ja) * 1997-05-21 2003-05-26 シャープ株式会社 可変長符号化回路及び可変長符号化方法
US6188797B1 (en) * 1997-05-27 2001-02-13 Apple Computer, Inc. Decoder for programmable variable length data
JP2000207205A (ja) * 1999-01-14 2000-07-28 Sony Corp 演算装置
KR100386114B1 (ko) * 2001-02-16 2003-06-02 삼성전자주식회사 멀티-입/출력카드를 갖춘 네트워크시스템의 초기화제어장치
JP2002344328A (ja) * 2001-05-21 2002-11-29 Ricoh Co Ltd 復号化装置、プログラム及び可変長符号の復号方法
US6956511B2 (en) * 2004-01-06 2005-10-18 Sharp Laboratories Of America, Inc. Multi-symbol/coefficient decode operation for Huffman codes
JP4484630B2 (ja) * 2004-01-29 2010-06-16 パナソニック株式会社 可変長復号化装置および可変長復号化方法および再生システム
JP4829720B2 (ja) * 2006-08-29 2011-12-07 ルネサスエレクトロニクス株式会社 可変長符号復号装置
US9923576B2 (en) * 2014-09-16 2018-03-20 Cisco Technology, Inc. Decoding techniques using a programmable priority encoder
US10540379B2 (en) * 2017-12-11 2020-01-21 International Business Machines Corporation Searching base encoded text

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701111A (en) * 1971-02-08 1972-10-24 Ibm Method of and apparatus for decoding variable-length codes having length-indicating prefixes
US3921143A (en) * 1971-12-29 1975-11-18 Ibm Minimal redundancy encoding method and means
US4580129A (en) * 1983-11-14 1986-04-01 Northern Telecom Limited Variable word length decoder
US4899149A (en) * 1986-02-28 1990-02-06 Gary Kahan Method of and apparatus for decoding Huffman or variable-length coees
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
JPH03143028A (ja) * 1989-10-27 1991-06-18 Yamaha Corp 可変長符号の復号回路
US5173695A (en) * 1990-06-29 1992-12-22 Bell Communications Research, Inc. High-speed flexible variable-length-code decoder
US5220325A (en) * 1991-03-28 1993-06-15 At&T Bell Laboratories Hierarchical variable length decoder for digital video data
US5181031A (en) * 1991-07-30 1993-01-19 Lsi Logic Corporation Method and apparatus for decoding huffman codes by detecting a special class
US5254991A (en) * 1991-07-30 1993-10-19 Lsi Logic Corporation Method and apparatus for decoding Huffman codes

Also Published As

Publication number Publication date
JP3008685B2 (ja) 2000-02-14
US5398027A (en) 1995-03-14
EP0582273B1 (de) 1999-11-17
DE69327021T2 (de) 2000-07-13
EP0582273A2 (de) 1994-02-09
JPH0651943A (ja) 1994-02-25
EP0582273A3 (de) 1995-07-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP

8339 Ceased/non-payment of the annual fee