AU2001294974A1 - Perceptual harmonic cepstral coefficients as the front-end for speech recognition - Google Patents

Perceptual harmonic cepstral coefficients as the front-end for speech recognition

Info

Publication number
AU2001294974A1
AU2001294974A1 AU2001294974A AU9497401A AU2001294974A1 AU 2001294974 A1 AU2001294974 A1 AU 2001294974A1 AU 2001294974 A AU2001294974 A AU 2001294974A AU 9497401 A AU9497401 A AU 9497401A AU 2001294974 A1 AU2001294974 A1 AU 2001294974A1
Authority
AU
Australia
Prior art keywords
speech recognition
cepstral coefficients
perceptual
perceptual harmonic
harmonic cepstral
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001294974A
Inventor
Liang Gu
Kenneth Rose
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of California
Original Assignee
University of California
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 University of California filed Critical University of California
Publication of AU2001294974A1 publication Critical patent/AU2001294974A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G10L2025/935—Mixed voiced class; Transitions
AU2001294974A 2000-10-02 2001-10-02 Perceptual harmonic cepstral coefficients as the front-end for speech recognition Abandoned AU2001294974A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23728500P 2000-10-02 2000-10-02
US60237285 2000-10-02
PCT/US2001/030909 WO2002029782A1 (en) 2000-10-02 2001-10-02 Perceptual harmonic cepstral coefficients as the front-end for speech recognition

Publications (1)

Publication Number Publication Date
AU2001294974A1 true AU2001294974A1 (en) 2002-04-15

Family

ID=22893097

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001294974A Abandoned AU2001294974A1 (en) 2000-10-02 2001-10-02 Perceptual harmonic cepstral coefficients as the front-end for speech recognition

Country Status (3)

Country Link
US (2) US7337107B2 (en)
AU (1) AU2001294974A1 (en)
WO (1) WO2002029782A1 (en)

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Also Published As

Publication number Publication date
WO2002029782A1 (en) 2002-04-11
US7337107B2 (en) 2008-02-26
US20040128130A1 (en) 2004-07-01
US7756700B2 (en) 2010-07-13
US20080162122A1 (en) 2008-07-03

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