JPS593548A - 可変長符号の符号変換回路 - Google Patents

可変長符号の符号変換回路

Info

Publication number
JPS593548A
JPS593548A JP11144682A JP11144682A JPS593548A JP S593548 A JPS593548 A JP S593548A JP 11144682 A JP11144682 A JP 11144682A JP 11144682 A JP11144682 A JP 11144682A JP S593548 A JPS593548 A JP S593548A
Authority
JP
Japan
Prior art keywords
circuit
data
bits
output signal
output
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.)
Granted
Application number
JP11144682A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0117176B2 (enExample
Inventor
Kiichi Matsuda
松田　喜一
Toshihiro Honma
敏弘 本間
Yutaka Fukuda
福田　裕
Hideo Kuroda
英夫 黒田
Naoki Takegawa
直樹 武川
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.)
Fujitsu Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone 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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP11144682A priority Critical patent/JPS593548A/ja
Priority to CA000431197A priority patent/CA1211219A/en
Priority to EP83303732A priority patent/EP0098153B1/en
Priority to DE8383303732T priority patent/DE3380833D1/de
Priority to US06/509,398 priority patent/US4593267A/en
Publication of JPS593548A publication Critical patent/JPS593548A/ja
Publication of JPH0117176B2 publication Critical patent/JPH0117176B2/ja
Granted 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
JP11144682A 1982-06-30 1982-06-30 可変長符号の符号変換回路 Granted JPS593548A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP11144682A JPS593548A (ja) 1982-06-30 1982-06-30 可変長符号の符号変換回路
CA000431197A CA1211219A (en) 1982-06-30 1983-06-27 Digital data code conversion circuit for variable- word-length data code
EP83303732A EP0098153B1 (en) 1982-06-30 1983-06-28 Digital data code conversion circuit for variable-word-length data code
DE8383303732T DE3380833D1 (en) 1982-06-30 1983-06-28 Digital data code conversion circuit for variable-word-length data code
US06/509,398 US4593267A (en) 1982-06-30 1983-06-30 Digital data code conversion circuit for variable-word-length data code

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11144682A JPS593548A (ja) 1982-06-30 1982-06-30 可変長符号の符号変換回路

Publications (2)

Publication Number Publication Date
JPS593548A true JPS593548A (ja) 1984-01-10
JPH0117176B2 JPH0117176B2 (enExample) 1989-03-29

Family

ID=14561402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11144682A Granted JPS593548A (ja) 1982-06-30 1982-06-30 可変長符号の符号変換回路

Country Status (1)

Country Link
JP (1) JPS593548A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309156A (en) * 1991-02-13 1994-05-03 Fujitsu Limited Variable-length code decoding device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051637A (enExample) * 1973-08-27 1975-05-08
JPS5319728A (en) * 1976-08-06 1978-02-23 Fujitsu Ltd Data treansfer processing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051637A (enExample) * 1973-08-27 1975-05-08
JPS5319728A (en) * 1976-08-06 1978-02-23 Fujitsu Ltd Data treansfer processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309156A (en) * 1991-02-13 1994-05-03 Fujitsu Limited Variable-length code decoding device

Also Published As

Publication number Publication date
JPH0117176B2 (enExample) 1989-03-29

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