DK0537361T3 - Højeffektivt digitalt datakodnings- og dekodningsapparatur - Google Patents

Højeffektivt digitalt datakodnings- og dekodningsapparatur

Info

Publication number
DK0537361T3
DK0537361T3 DK92907630.5T DK92907630T DK0537361T3 DK 0537361 T3 DK0537361 T3 DK 0537361T3 DK 92907630 T DK92907630 T DK 92907630T DK 0537361 T3 DK0537361 T3 DK 0537361T3
Authority
DK
Denmark
Prior art keywords
circuit
frames
response
input signal
digital input
Prior art date
Application number
DK92907630.5T
Other languages
Danish (da)
English (en)
Inventor
Kyoya Tsutsui
Osamu Shimoyoshi
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 JP03091183A external-priority patent/JP3089690B2/ja
Priority claimed from JP03091185A external-priority patent/JP3089691B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DK0537361T3 publication Critical patent/DK0537361T3/da

Links

Classifications

    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G11B20/00007—Time or data compression or expansion
    • 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
    • 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
DK92907630.5T 1991-03-29 1992-03-27 Højeffektivt digitalt datakodnings- og dekodningsapparatur DK0537361T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03091183A JP3089690B2 (ja) 1991-03-29 1991-03-29 ディジタルデータの高能率符号化方法
JP03091185A JP3089691B2 (ja) 1991-03-29 1991-03-29 ディジタルデータの高能率符号化方法

Publications (1)

Publication Number Publication Date
DK0537361T3 true DK0537361T3 (da) 1997-06-09

Family

ID=26432643

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92907630.5T DK0537361T3 (da) 1991-03-29 1992-03-27 Højeffektivt digitalt datakodnings- og dekodningsapparatur

Country Status (18)

Country Link
US (1) US5414795A (fr)
EP (1) EP0537361B1 (fr)
KR (1) KR100293855B1 (fr)
CN (1) CN1030129C (fr)
AT (1) ATE153165T1 (fr)
AU (2) AU648656B2 (fr)
BR (1) BR9204820A (fr)
CA (1) CA2083713C (fr)
DE (1) DE69219718T2 (fr)
DK (1) DK0537361T3 (fr)
EG (1) EG20351A (fr)
FI (1) FI112979B (fr)
HU (1) HU213963B (fr)
NO (1) NO306007B1 (fr)
PT (1) PT100309B (fr)
TR (1) TR25961A (fr)
WO (1) WO1992017884A1 (fr)
ZA (1) ZA921988B (fr)

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Also Published As

Publication number Publication date
FI925401A0 (fi) 1992-11-27
HU213963B (en) 1997-11-28
CA2083713A1 (fr) 1992-09-30
WO1992017884A1 (fr) 1992-10-15
NO306007B1 (no) 1999-08-30
DE69219718T2 (de) 1997-10-02
HU9203758D0 (en) 1993-04-28
HUT63269A (en) 1993-07-28
KR100293855B1 (ko) 2001-09-17
CA2083713C (fr) 2003-08-19
EG20351A (en) 1999-01-31
PT100309B (pt) 1999-04-30
AU5516894A (en) 1994-04-28
DE69219718D1 (de) 1997-06-19
ATE153165T1 (de) 1997-05-15
EP0537361A1 (fr) 1993-04-21
PT100309A (pt) 1994-04-29
BR9204820A (pt) 1993-07-13
US5414795A (en) 1995-05-09
CN1030129C (zh) 1995-10-18
FI112979B (fi) 2004-02-13
KR930700945A (ko) 1993-03-16
NO924551L (no) 1993-01-25
CN1068689A (zh) 1993-02-03
EP0537361B1 (fr) 1997-05-14
NO924551D0 (no) 1992-11-25
ZA921988B (en) 1993-02-24
AU648656B2 (en) 1994-04-28
FI925401A (fi) 1992-11-27
TR25961A (tr) 1993-11-01
AU1448992A (en) 1992-11-02
AU670655B2 (en) 1996-07-25

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