HK73494A - Method and apparatus for transmitting digital signal - Google Patents

Method and apparatus for transmitting digital signal

Info

Publication number
HK73494A
HK73494A HK73494A HK73494A HK73494A HK 73494 A HK73494 A HK 73494A HK 73494 A HK73494 A HK 73494A HK 73494 A HK73494 A HK 73494A HK 73494 A HK73494 A HK 73494A
Authority
HK
Hong Kong
Prior art keywords
data
pcm
mode
differential
block
Prior art date
Application number
HK73494A
Other languages
German (de)
English (en)
French (fr)
Inventor
Kenzo Akagiri
Original Assignee
Sony Corporation
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 Sony Corporation filed Critical Sony Corporation
Publication of HK73494A publication Critical patent/HK73494A/en

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
    • H03M7/3053—Block-companding PCM systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK73494A 1983-06-01 1994-07-28 Method and apparatus for transmitting digital signal HK73494A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58097689A JPS59223032A (ja) 1983-06-01 1983-06-01 ディジタル信号伝送装置
PCT/JP1984/000283 WO1984004859A1 (en) 1983-06-01 1984-06-01 Method and apparatus for transmitting digital signal

Publications (1)

Publication Number Publication Date
HK73494A true HK73494A (en) 1994-08-05

Family

ID=14198922

Family Applications (1)

Application Number Title Priority Date Filing Date
HK73494A HK73494A (en) 1983-06-01 1994-07-28 Method and apparatus for transmitting digital signal

Country Status (6)

Country Link
EP (1) EP0145788B1 (cs)
JP (1) JPS59223032A (cs)
AU (3) AU576320B2 (cs)
DE (1) DE3484010D1 (cs)
HK (1) HK73494A (cs)
WO (1) WO1984004859A1 (cs)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223032A (ja) * 1983-06-01 1984-12-14 Sony Corp ディジタル信号伝送装置
JPS60237738A (ja) * 1984-05-11 1985-11-26 Sony Corp デイジタル信号伝送装置
JPS60251733A (ja) * 1984-05-28 1985-12-12 Sony Corp デイジタル信号伝送装置
CA1292071C (en) * 1985-06-28 1991-11-12 Tomohiko Taniguchi Coding transmission equipment for carrying out coding with adaptive quantization
JPH0295017A (ja) * 1988-09-30 1990-04-05 Matsushita Electric Ind Co Ltd 非線形量子化装置
GB2257606B (en) * 1991-06-28 1995-01-18 Sony Corp Recording and/or reproducing apparatuses and signal processing methods for compressed data
AU665200B2 (en) * 1991-08-02 1995-12-21 Sony Corporation Digital encoder with dynamic quantization bit allocation
GB2258372B (en) * 1991-08-02 1995-05-31 Sony Corp Apparatus for and methods of recording and/or reproducing digital data
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
JP3185413B2 (ja) * 1992-11-25 2001-07-09 ソニー株式会社 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
JP3173218B2 (ja) * 1993-05-10 2001-06-04 ソニー株式会社 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
CN1038089C (zh) * 1993-05-31 1998-04-15 索尼公司 信号编码或译码装置及信号编码或译码方法
BR9405445A (pt) * 1993-06-30 1999-09-08 Sony Corp Aparelho codificador e decodificador de sinal apropriado para codificar um sinal de entrada e decodificar um sinal codificado, suporte de gravação onde sinais codificados são gravados, e processo de codificação e de decodificação de sinal para codificar um sinal de entrada e decodificar um sinal codificado.
TW272341B (cs) * 1993-07-16 1996-03-11 Sony Co Ltd
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
EP0692881B1 (en) * 1993-11-09 2005-06-15 Sony Corporation Quantization apparatus, quantization method, high efficiency encoder, high efficiency encoding method, decoder, high efficiency encoder and recording media
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT699938A (cs) * 1962-06-28
JPS5148850B1 (cs) * 1971-06-03 1976-12-23
US4386237A (en) * 1980-12-22 1983-05-31 Intelsat NIC Processor using variable precision block quantization
AU564770B2 (en) * 1981-07-17 1987-08-27 Nippon Electric Co. Ltd. Forward and inverse quantization by varying a reference step size
JPS5866440A (ja) * 1981-10-16 1983-04-20 Fujitsu Ltd 波形符号化方式
JPS59223032A (ja) * 1983-06-01 1984-12-14 Sony Corp ディジタル信号伝送装置

Also Published As

Publication number Publication date
AU600137B2 (en) 1990-08-02
EP0145788A1 (en) 1985-06-26
EP0145788B1 (en) 1991-01-23
DE3484010D1 (de) 1991-02-28
EP0145788A4 (en) 1988-02-18
AU1743188A (en) 1988-09-01
AU611443B2 (en) 1991-06-13
JPS59223032A (ja) 1984-12-14
JPH0473333B2 (cs) 1992-11-20
WO1984004859A1 (en) 1984-12-06
AU576320B2 (en) 1988-08-25
AU1743288A (en) 1988-09-01
AU2969884A (en) 1984-12-18

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20040531

PE Patent expired