DE69225100D1 - Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren - Google Patents

Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren

Info

Publication number
DE69225100D1
DE69225100D1 DE69225100T DE69225100T DE69225100D1 DE 69225100 D1 DE69225100 D1 DE 69225100D1 DE 69225100 T DE69225100 T DE 69225100T DE 69225100 T DE69225100 T DE 69225100T DE 69225100 D1 DE69225100 D1 DE 69225100D1
Authority
DE
Germany
Prior art keywords
bits
critical
bands
digital signals
transmitted
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
DE69225100T
Other languages
English (en)
Other versions
DE69225100T2 (de
Inventor
Kenzo Akagiri
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.)
Sony Corp
Original Assignee
Sony 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 claimed from JP3091187A external-priority patent/JP3060576B2/ja
Priority claimed from JP3091188A external-priority patent/JP3060577B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69225100D1 publication Critical patent/DE69225100D1/de
Application granted granted Critical
Publication of DE69225100T2 publication Critical patent/DE69225100T2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69225100T 1991-03-29 1992-02-28 Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren Expired - Fee Related DE69225100T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3091187A JP3060576B2 (ja) 1991-03-29 1991-03-29 ディジタル信号符号化方法
JP3091188A JP3060577B2 (ja) 1991-03-29 1991-03-29 ディジタル信号符号化方法
PCT/JP1992/000237 WO1992017942A1 (fr) 1991-03-29 1992-02-28 Procede de codage de signaux numeriques

Publications (2)

Publication Number Publication Date
DE69225100D1 true DE69225100D1 (de) 1998-05-20
DE69225100T2 DE69225100T2 (de) 1998-08-06

Family

ID=26432649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225100T Expired - Fee Related DE69225100T2 (de) 1991-03-29 1992-02-28 Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren

Country Status (17)

Country Link
US (1) US5311561A (de)
EP (1) EP0531538B1 (de)
KR (1) KR100312664B1 (de)
CN (1) CN1032102C (de)
AT (1) ATE165198T1 (de)
AU (1) AU654533B2 (de)
BR (1) BR9204799A (de)
CA (1) CA2083709A1 (de)
CS (1) CS92692A3 (de)
DE (1) DE69225100T2 (de)
DK (1) DK0531538T3 (de)
FI (1) FI109627B (de)
HU (1) HU213592B (de)
NO (1) NO924552L (de)
PL (1) PL168474B1 (de)
RU (1) RU2090973C1 (de)
WO (1) WO1992017942A1 (de)

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US5734677A (en) * 1995-03-15 1998-03-31 The Chinese University Of Hong Kong Method for compression of loss-tolerant video image data from multiple sources
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CN112019220B (zh) * 2020-08-21 2023-07-04 广东省新一代通信与网络创新研究院 一种基于差值偏置检测的块浮点数据压缩方法及装置

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Also Published As

Publication number Publication date
EP0531538B1 (de) 1998-04-15
WO1992017942A1 (fr) 1992-10-15
HU213592B (en) 1997-08-28
KR100312664B1 (ko) 2002-12-26
FI925400A (fi) 1992-11-27
BR9204799A (pt) 1993-07-13
NO924552D0 (no) 1992-11-25
FI925400A0 (fi) 1992-11-27
US5311561A (en) 1994-05-10
PL168474B1 (pl) 1996-02-29
CN1065565A (zh) 1992-10-21
ATE165198T1 (de) 1998-05-15
HUT63278A (en) 1993-07-28
DK0531538T3 (da) 1998-10-19
CS92692A3 (en) 1992-10-14
CA2083709A1 (en) 1992-09-30
AU654533B2 (en) 1994-11-10
EP0531538A4 (en) 1994-09-21
EP0531538A1 (de) 1993-03-17
RU2090973C1 (ru) 1997-09-20
HU9203759D0 (en) 1993-04-28
CN1032102C (zh) 1996-06-19
FI109627B (fi) 2002-09-13
PL294003A2 (en) 1992-11-30
AU1338392A (en) 1992-11-02
DE69225100T2 (de) 1998-08-06
NO924552L (no) 1993-01-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee