BR9106332A - Codificador,decodificador e codificador/decodificador de comprimento de bloco adaptavel,de transformacao adaptavel e de transformacao de janela adaptavel para audio de alta qualidade - Google Patents

Codificador,decodificador e codificador/decodificador de comprimento de bloco adaptavel,de transformacao adaptavel e de transformacao de janela adaptavel para audio de alta qualidade

Info

Publication number
BR9106332A
BR9106332A BR919106332A BR9106332A BR9106332A BR 9106332 A BR9106332 A BR 9106332A BR 919106332 A BR919106332 A BR 919106332A BR 9106332 A BR9106332 A BR 9106332A BR 9106332 A BR9106332 A BR 9106332A
Authority
BR
Brazil
Prior art keywords
adaptable
decoder
encoder
transformation
pct
Prior art date
Application number
BR919106332A
Other languages
English (en)
Inventor
Grant Allen Davidson
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=24024165&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9106332(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of BR9106332A publication Critical patent/BR9106332A/pt

Links

Classifications

    • 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
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BR919106332A 1990-04-12 1991-04-12 Codificador,decodificador e codificador/decodificador de comprimento de bloco adaptavel,de transformacao adaptavel e de transformacao de janela adaptavel para audio de alta qualidade BR9106332A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50880990A 1990-04-12 1990-04-12
PCT/US1991/002512 WO1991016769A1 (en) 1990-04-12 1991-04-12 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio

Publications (1)

Publication Number Publication Date
BR9106332A true BR9106332A (pt) 1993-04-20

Family

ID=24024165

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919106332A BR9106332A (pt) 1990-04-12 1991-04-12 Codificador,decodificador e codificador/decodificador de comprimento de bloco adaptavel,de transformacao adaptavel e de transformacao de janela adaptavel para audio de alta qualidade

Country Status (13)

Country Link
US (1) US5394473A (pt)
EP (1) EP0524264B1 (pt)
JP (1) JP3224130B2 (pt)
KR (1) KR100193353B1 (pt)
CN (1) CN1062963C (pt)
AT (1) ATE119336T1 (pt)
AU (1) AU644170B2 (pt)
BR (1) BR9106332A (pt)
CA (1) CA2059141C (pt)
DE (1) DE69107841T2 (pt)
DK (1) DK0524264T3 (pt)
ES (1) ES2068580T3 (pt)
WO (1) WO1991016769A1 (pt)

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