EG20351A - High efficiency encoding apparatus for digital data - Google Patents

High efficiency encoding apparatus for digital data

Info

Publication number
EG20351A
EG20351A EG16592A EG16592A EG20351A EG 20351 A EG20351 A EG 20351A EG 16592 A EG16592 A EG 16592A EG 16592 A EG16592 A EG 16592A EG 20351 A EG20351 A EG 20351A
Authority
EG
Egypt
Prior art keywords
circuit
frames
response
input signal
digital input
Prior art date
Application number
EG16592A
Other languages
English (en)
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 EG20351A publication Critical patent/EG20351A/xx

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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Complex Calculations (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Selective Calling Equipment (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
EG16592A 1991-03-29 1992-03-28 High efficiency encoding apparatus for digital data EG20351A (en)

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
EG20351A true EG20351A (en) 1999-01-31

Family

ID=26432643

Family Applications (1)

Application Number Title Priority Date Filing Date
EG16592A EG20351A (en) 1991-03-29 1992-03-28 High efficiency encoding apparatus for digital data

Country Status (18)

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

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Also Published As

Publication number Publication date
HUT63269A (en) 1993-07-28
CN1030129C (zh) 1995-10-18
FI925401A (fi) 1992-11-27
HU9203758D0 (en) 1993-04-28
DE69219718T2 (de) 1997-10-02
FI112979B (fi) 2004-02-13
TR25961A (tr) 1993-11-01
US5414795A (en) 1995-05-09
WO1992017884A1 (en) 1992-10-15
AU670655B2 (en) 1996-07-25
HU213963B (en) 1997-11-28
NO924551L (no) 1993-01-25
CA2083713C (en) 2003-08-19
KR100293855B1 (ko) 2001-09-17
ATE153165T1 (de) 1997-05-15
EP0537361A1 (en) 1993-04-21
PT100309A (pt) 1994-04-29
DK0537361T3 (da) 1997-06-09
NO924551D0 (no) 1992-11-25
AU1448992A (en) 1992-11-02
KR930700945A (ko) 1993-03-16
AU648656B2 (en) 1994-04-28
PT100309B (pt) 1999-04-30
BR9204820A (pt) 1993-07-13
ZA921988B (en) 1993-02-24
DE69219718D1 (de) 1997-06-19
CA2083713A1 (en) 1992-09-30
AU5516894A (en) 1994-04-28
FI925401A0 (fi) 1992-11-27
NO306007B1 (no) 1999-08-30
CN1068689A (zh) 1993-02-03
EP0537361B1 (en) 1997-05-14

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