ATE450857T1 - Verfahren und vorrichtung zur kodierung von audiodaten basierend auf vektorquantisierung - Google Patents

Verfahren und vorrichtung zur kodierung von audiodaten basierend auf vektorquantisierung

Info

Publication number
ATE450857T1
ATE450857T1 AT07112500T AT07112500T ATE450857T1 AT E450857 T1 ATE450857 T1 AT E450857T1 AT 07112500 T AT07112500 T AT 07112500T AT 07112500 T AT07112500 T AT 07112500T AT E450857 T1 ATE450857 T1 AT E450857T1
Authority
AT
Austria
Prior art keywords
codebook
coding
employed
analysis
auxiliary information
Prior art date
Application number
AT07112500T
Other languages
English (en)
Inventor
Hauke Krueger
Peter Vary
Original Assignee
Siemens Audiologische Technik
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
Application filed by Siemens Audiologische Technik filed Critical Siemens Audiologische Technik
Application granted granted Critical
Publication of ATE450857T1 publication Critical patent/ATE450857T1/de

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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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • 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
    • 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
    • G10L2019/0013—Codebook search algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/55—Electric hearing aids using an external connection, either wireless or wired
    • H04R25/554—Electric hearing aids using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT07112500T 2006-07-14 2007-07-16 Verfahren und vorrichtung zur kodierung von audiodaten basierend auf vektorquantisierung ATE450857T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83109206P 2006-07-14 2006-07-14

Publications (1)

Publication Number Publication Date
ATE450857T1 true ATE450857T1 (de) 2009-12-15

Family

ID=38474211

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07112500T ATE450857T1 (de) 2006-07-14 2007-07-16 Verfahren und vorrichtung zur kodierung von audiodaten basierend auf vektorquantisierung

Country Status (5)

Country Link
US (1) US7933770B2 (de)
EP (1) EP1879179B1 (de)
AT (1) ATE450857T1 (de)
DE (1) DE602007003520D1 (de)
DK (1) DK1879179T3 (de)

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Also Published As

Publication number Publication date
EP1879179A1 (de) 2008-01-16
US20080015852A1 (en) 2008-01-17
DK1879179T3 (da) 2010-04-12
EP1879179B1 (de) 2009-12-02
DE602007003520D1 (de) 2010-01-14
US7933770B2 (en) 2011-04-26

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