FI109627B - Menetelmä digitaalisten signaalien koodausta varten - Google Patents

Menetelmä digitaalisten signaalien koodausta varten Download PDF

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Publication number
FI109627B
FI109627B FI925400A FI925400A FI109627B FI 109627 B FI109627 B FI 109627B FI 925400 A FI925400 A FI 925400A FI 925400 A FI925400 A FI 925400A FI 109627 B FI109627 B FI 109627B
Authority
FI
Finland
Prior art keywords
critical
bits
critical band
level
band
Prior art date
Application number
FI925400A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI925400A (fi
FI925400A0 (fi
Inventor
Kenzo Akagiri
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 FI925400A publication Critical patent/FI925400A/fi
Publication of FI925400A0 publication Critical patent/FI925400A0/fi
Application granted granted Critical
Publication of FI109627B publication Critical patent/FI109627B/fi

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)
FI925400A 1991-03-29 1992-11-27 Menetelmä digitaalisten signaalien koodausta varten FI109627B (fi)

Applications Claiming Priority (6)

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
JP9118891 1991-03-29
JP9118791 1991-03-29
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
JP9200237 1992-02-28

Publications (3)

Publication Number Publication Date
FI925400A FI925400A (fi) 1992-11-27
FI925400A0 FI925400A0 (fi) 1992-11-27
FI109627B true FI109627B (fi) 2002-09-13

Family

ID=26432649

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925400A FI109627B (fi) 1991-03-29 1992-11-27 Menetelmä digitaalisten signaalien koodausta varten

Country Status (17)

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

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EP0713295B1 (fr) * 1994-04-01 2004-09-15 Sony Corporation Methode et dispositif de codage et de decodage d'informations
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JP3277682B2 (ja) * 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
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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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JP3082625B2 (ja) * 1995-07-15 2000-08-28 日本電気株式会社 音声信号処理回路
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RU2517356C2 (ru) * 2012-09-10 2014-05-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарёва" Способ снижения нелинейных искажений тока в нелинейной комплексной нагрузке и устройство для его осуществления
CN104703093B (zh) * 2013-12-09 2018-07-17 中国移动通信集团公司 一种音频输出方法及装置
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 (fr) 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 (fr) 1992-09-30
AU654533B2 (en) 1994-11-10
EP0531538A4 (en) 1994-09-21
EP0531538A1 (fr) 1993-03-17
RU2090973C1 (ru) 1997-09-20
HU9203759D0 (en) 1993-04-28
CN1032102C (zh) 1996-06-19
DE69225100D1 (de) 1998-05-20
PL294003A2 (en) 1992-11-30
AU1338392A (en) 1992-11-02
DE69225100T2 (de) 1998-08-06
NO924552L (no) 1993-01-22

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