HK1067444A1 - Method and apparatus for robust speech classification - Google Patents

Method and apparatus for robust speech classification

Info

Publication number
HK1067444A1
HK1067444A1 HK04110328A HK04110328A HK1067444A1 HK 1067444 A1 HK1067444 A1 HK 1067444A1 HK 04110328 A HK04110328 A HK 04110328A HK 04110328 A HK04110328 A HK 04110328A HK 1067444 A1 HK1067444 A1 HK 1067444A1
Authority
HK
Hong Kong
Prior art keywords
speech
classification
parameters
classifier
bit rate
Prior art date
Application number
HK04110328A
Other languages
English (en)
Inventor
Huang Pengjun
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
Publication of HK1067444A1 publication Critical patent/HK1067444A1/xx

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
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Machine Translation (AREA)
HK04110328A 2000-12-08 2004-12-30 Method and apparatus for robust speech classification HK1067444A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/733,740 US7472059B2 (en) 2000-12-08 2000-12-08 Method and apparatus for robust speech classification
PCT/US2001/046971 WO2002047068A2 (en) 2000-12-08 2001-12-04 Method and apparatus for robust speech classification

Publications (1)

Publication Number Publication Date
HK1067444A1 true HK1067444A1 (en) 2005-04-08

Family

ID=24948935

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04110328A HK1067444A1 (en) 2000-12-08 2004-12-30 Method and apparatus for robust speech classification

Country Status (13)

Country Link
US (1) US7472059B2 (xx)
EP (1) EP1340223B1 (xx)
JP (2) JP4550360B2 (xx)
KR (2) KR100895589B1 (xx)
CN (2) CN100350453C (xx)
AT (1) ATE341808T1 (xx)
AU (1) AU2002233983A1 (xx)
BR (2) BR0116002A (xx)
DE (1) DE60123651T2 (xx)
ES (1) ES2276845T3 (xx)
HK (1) HK1067444A1 (xx)
TW (1) TW535141B (xx)
WO (1) WO2002047068A2 (xx)

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Also Published As

Publication number Publication date
WO2002047068A2 (en) 2002-06-13
TW535141B (en) 2003-06-01
KR100895589B1 (ko) 2009-05-06
JP2010176145A (ja) 2010-08-12
BR0116002A (pt) 2006-05-09
ATE341808T1 (de) 2006-10-15
CN1543639A (zh) 2004-11-03
AU2002233983A1 (en) 2002-06-18
JP2004515809A (ja) 2004-05-27
JP4550360B2 (ja) 2010-09-22
KR20030061839A (ko) 2003-07-22
WO2002047068A3 (en) 2002-08-22
EP1340223B1 (en) 2006-10-04
DE60123651D1 (de) 2006-11-16
CN101131817B (zh) 2013-11-06
BRPI0116002B1 (pt) 2018-04-03
US7472059B2 (en) 2008-12-30
JP5425682B2 (ja) 2014-02-26
EP1340223A2 (en) 2003-09-03
DE60123651T2 (de) 2007-10-04
CN100350453C (zh) 2007-11-21
KR20090026805A (ko) 2009-03-13
ES2276845T3 (es) 2007-07-01
CN101131817A (zh) 2008-02-27
KR100908219B1 (ko) 2009-07-20
US20020111798A1 (en) 2002-08-15

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