ATE259532T1 - Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer - Google Patents

Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer

Info

Publication number
ATE259532T1
ATE259532T1 AT97937095T AT97937095T ATE259532T1 AT E259532 T1 ATE259532 T1 AT E259532T1 AT 97937095 T AT97937095 T AT 97937095T AT 97937095 T AT97937095 T AT 97937095T AT E259532 T1 ATE259532 T1 AT E259532T1
Authority
AT
Austria
Prior art keywords
searching
excitation codebook
analysis window
celp code
dimensional
Prior art date
Application number
AT97937095T
Other languages
English (en)
Inventor
Andrew P Dejaco
Ning Bi
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE259532T1 publication Critical patent/ATE259532T1/de

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/02Feature extraction for speech recognition; Selection of recognition unit
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
AT97937095T 1996-07-31 1997-07-31 Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer ATE259532T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/690,709 US5751901A (en) 1996-07-31 1996-07-31 Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
PCT/US1997/013594 WO1998005030A1 (en) 1996-07-31 1997-07-31 Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder

Publications (1)

Publication Number Publication Date
ATE259532T1 true ATE259532T1 (de) 2004-02-15

Family

ID=24773618

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97937095T ATE259532T1 (de) 1996-07-31 1997-07-31 Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer

Country Status (13)

Country Link
US (1) US5751901A (de)
EP (1) EP0917710B1 (de)
JP (1) JP2000515998A (de)
KR (1) KR100497788B1 (de)
CN (1) CN1124589C (de)
AT (1) ATE259532T1 (de)
AU (1) AU719568B2 (de)
BR (1) BR9710640A (de)
CA (1) CA2261956A1 (de)
DE (1) DE69727578D1 (de)
FI (1) FI990181A (de)
IL (1) IL128285A0 (de)
WO (1) WO1998005030A1 (de)

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Also Published As

Publication number Publication date
IL128285A0 (en) 2000-02-17
EP0917710B1 (de) 2004-02-11
CN1124589C (zh) 2003-10-15
KR100497788B1 (ko) 2005-06-29
FI990181A0 (fi) 1999-02-01
DE69727578D1 (de) 2004-03-18
CN1229502A (zh) 1999-09-22
KR20000029745A (ko) 2000-05-25
EP0917710A1 (de) 1999-05-26
US5751901A (en) 1998-05-12
AU719568B2 (en) 2000-05-11
CA2261956A1 (en) 1998-02-05
AU3969497A (en) 1998-02-20
FI990181A (fi) 1999-03-31
JP2000515998A (ja) 2000-11-28
WO1998005030A1 (en) 1998-02-05
BR9710640A (pt) 2002-08-06

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