PL2301024T3 - Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście - Google Patents

Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście

Info

Publication number
PL2301024T3
PL2301024T3 PL09797423T PL09797423T PL2301024T3 PL 2301024 T3 PL2301024 T3 PL 2301024T3 PL 09797423 T PL09797423 T PL 09797423T PL 09797423 T PL09797423 T PL 09797423T PL 2301024 T3 PL2301024 T3 PL 2301024T3
Authority
PL
Poland
Prior art keywords
audio encoding
decoding scheme
switchable bypass
switchable
bypass
Prior art date
Application number
PL09797423T
Other languages
English (en)
Inventor
Bernhard Grill
Stefan Bayer
Guillaume Fuchs
Stefan Geyersberger
Ralf Geiger
Johannes Hilpert
Ulrich Kraemer
Markus Multrus
Max Neuendorf
Harald Popp
Nikolaus Rettelbach
Roch Lefebvre
Bruno Bessette
Jimmy Lapierre
Redwan Salami
Philippe Gournay
Jeremie Lecomte
Original Assignee
Fraunhofer Ges Forschung
Voiceage 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=40718647&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL2301024(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung, Voiceage Corp filed Critical Fraunhofer Ges Forschung
Publication of PL2301024T3 publication Critical patent/PL2301024T3/pl

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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • 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
    • G10L19/04—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 predictive techniques
    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL09797423T 2008-07-17 2009-07-06 Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście PL2301024T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8158608P 2008-07-17 2008-07-17
EP09002270.8A EP2146344B1 (en) 2008-07-17 2009-02-18 Audio encoding/decoding scheme having a switchable bypass
PCT/EP2009/004875 WO2010006717A1 (en) 2008-07-17 2009-07-06 Audio encoding/decoding scheme having a switchable bypass
EP09797423A EP2301024B1 (en) 2008-07-17 2009-07-06 Audio encoding/decoding scheme having a switchable bypass

Publications (1)

Publication Number Publication Date
PL2301024T3 true PL2301024T3 (pl) 2012-12-31

Family

ID=40718647

Family Applications (2)

Application Number Title Priority Date Filing Date
PL09002270T PL2146344T3 (pl) 2008-07-17 2009-02-18 Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście
PL09797423T PL2301024T3 (pl) 2008-07-17 2009-07-06 Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL09002270T PL2146344T3 (pl) 2008-07-17 2009-02-18 Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście

Country Status (16)

Country Link
US (2) US8321210B2 (pl)
EP (2) EP2146344B1 (pl)
JP (1) JP5613157B2 (pl)
KR (1) KR101224884B1 (pl)
CN (1) CN102099856B (pl)
AR (1) AR072551A1 (pl)
AU (1) AU2009270524B2 (pl)
BR (1) BRPI0910999B1 (pl)
CA (1) CA2727883C (pl)
ES (2) ES2592416T3 (pl)
MX (1) MX2011000534A (pl)
PL (2) PL2146344T3 (pl)
PT (1) PT2146344T (pl)
RU (1) RU2483364C2 (pl)
TW (1) TWI441167B (pl)
WO (1) WO2010006717A1 (pl)

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