DK0610975T3 - Transformationskoder, dekoder og koder/dekoder for højkvalitets audio og med lav tidsforsinkelse - Google Patents

Transformationskoder, dekoder og koder/dekoder for højkvalitets audio og med lav tidsforsinkelse

Info

Publication number
DK0610975T3
DK0610975T3 DK94107838T DK94107838T DK0610975T3 DK 0610975 T3 DK0610975 T3 DK 0610975T3 DK 94107838 T DK94107838 T DK 94107838T DK 94107838 T DK94107838 T DK 94107838T DK 0610975 T3 DK0610975 T3 DK 0610975T3
Authority
DK
Denmark
Prior art keywords
length values
fixed
variable
decoders
bits
Prior art date
Application number
DK94107838T
Other languages
English (en)
Inventor
Louis Dunn Fielder
Mark Franklin Davis
Original Assignee
Dolby Lab Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27404960&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0610975(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/458,894 external-priority patent/US5109417A/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK0610975T3 publication Critical patent/DK0610975T3/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 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
DK94107838T 1989-01-27 1990-01-29 Transformationskoder, dekoder og koder/dekoder for højkvalitets audio og med lav tidsforsinkelse DK0610975T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30371489A 1989-01-27 1989-01-27
US43986889A 1989-11-20 1989-11-20
US07/458,894 US5109417A (en) 1989-01-27 1989-12-29 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio

Publications (1)

Publication Number Publication Date
DK0610975T3 true DK0610975T3 (da) 1999-05-31

Family

ID=27404960

Family Applications (2)

Application Number Title Priority Date Filing Date
DK90903695.6T DK0447495T3 (da) 1989-01-27 1990-01-29 Transformationskoder, dekoder og koder/dekoder for højkvalitets audio og med lav tidsforsinkelse
DK94107838T DK0610975T3 (da) 1989-01-27 1990-01-29 Transformationskoder, dekoder og koder/dekoder for højkvalitets audio og med lav tidsforsinkelse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK90903695.6T DK0447495T3 (da) 1989-01-27 1990-01-29 Transformationskoder, dekoder og koder/dekoder for højkvalitets audio og med lav tidsforsinkelse

Country Status (12)

Country Link
EP (2) EP0610975B1 (da)
JP (2) JP2811369B2 (da)
KR (4) KR100220861B1 (da)
AT (2) ATE116495T1 (da)
AU (1) AU643677B2 (da)
BR (1) BR9007062A (da)
CA (5) CA2026213C (da)
DE (2) DE69015613T2 (da)
DK (2) DK0447495T3 (da)
ES (2) ES2119932T3 (da)
SG (1) SG82549A1 (da)
WO (1) WO1990009064A1 (da)

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Also Published As

Publication number Publication date
EP0610975B1 (en) 1998-09-02
ES2119932T3 (es) 1998-10-16
WO1990009064A1 (en) 1990-08-09
CA2332407A1 (en) 1990-07-28
EP0447495B1 (en) 1994-12-28
AU5156390A (en) 1990-08-24
CA2026213C (en) 1995-04-04
AU643677B2 (en) 1993-11-25
CA2026207A1 (en) 1990-07-28
JPH04503136A (ja) 1992-06-04
DE69015613T2 (de) 1995-05-24
CA2340610C (en) 2002-03-05
DE69015613D1 (de) 1995-02-09
DE69032624D1 (de) 1998-10-08
EP0610975A3 (en) 1994-12-14
KR100220862B1 (ko) 1999-09-15
KR100214253B1 (ko) 2000-03-15
JP3093179B2 (ja) 2000-10-03
ATE116495T1 (de) 1995-01-15
KR100220861B1 (ko) 1999-09-15
KR19990037843A (ko) 1999-05-25
JPH1188185A (ja) 1999-03-30
ES2065524T3 (es) 1995-02-16
DK0447495T3 (da) 1995-04-24
EP0447495A1 (en) 1991-09-25
KR100214252B1 (ko) 2000-03-15
BR9007062A (pt) 1991-10-08
KR910700526A (ko) 1991-03-15
KR920702100A (ko) 1992-08-12
JP2811369B2 (ja) 1998-10-15
EP0610975A2 (en) 1994-08-17
CA2026213A1 (en) 1991-05-21
SG82549A1 (en) 2001-08-21
ATE170682T1 (de) 1998-09-15
CA2026207C (en) 1995-04-11
CA2140678C (en) 2001-05-01
CA2140678A1 (en) 1990-07-28
DE69032624T2 (de) 1999-03-25
CA2332407C (en) 2002-03-05

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