HK1078979A1 - Method and apparatus for predictively quantizing voiced speech - Google Patents

Method and apparatus for predictively quantizing voiced speech

Info

Publication number
HK1078979A1
HK1078979A1 HK05110732A HK05110732A HK1078979A1 HK 1078979 A1 HK1078979 A1 HK 1078979A1 HK 05110732 A HK05110732 A HK 05110732A HK 05110732 A HK05110732 A HK 05110732A HK 1078979 A1 HK1078979 A1 HK 1078979A1
Authority
HK
Hong Kong
Prior art keywords
voiced speech
predictively
predictively quantizing
quantizing voiced
processor
Prior art date
Application number
HK05110732A
Other languages
English (en)
Inventor
Ananthapadmanabhan Arasanipalai
Manjunath Sarath
Huang Pengjun
Choy Eddie-Lun
Dejaco Andrew
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 HK1078979A1 publication Critical patent/HK1078979A1/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
    • 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
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/097—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using prototype waveform decomposition or prototype waveform interpolative [PWI] coders
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech 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 prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK05110732A 2000-04-24 2003-10-15 Method and apparatus for predictively quantizing voiced speech HK1078979A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55728200A 2000-04-24 2000-04-24

Publications (1)

Publication Number Publication Date
HK1078979A1 true HK1078979A1 (en) 2006-03-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK05110732A HK1078979A1 (en) 2000-04-24 2003-10-15 Method and apparatus for predictively quantizing voiced speech

Country Status (13)

Country Link
US (2) US7426466B2 (xx)
EP (3) EP2040253B1 (xx)
JP (1) JP5037772B2 (xx)
KR (1) KR100804461B1 (xx)
CN (2) CN1432176A (xx)
AT (3) ATE553472T1 (xx)
AU (1) AU2001253752A1 (xx)
BR (1) BR0110253A (xx)
DE (2) DE60137376D1 (xx)
ES (2) ES2318820T3 (xx)
HK (1) HK1078979A1 (xx)
TW (1) TW519616B (xx)
WO (1) WO2001082293A1 (xx)

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KR20020093943A (ko) 2002-12-16
ATE420432T1 (de) 2009-01-15
CN1432176A (zh) 2003-07-23
JP2003532149A (ja) 2003-10-28
KR100804461B1 (ko) 2008-02-20
DE60128677D1 (de) 2007-07-12
DE60137376D1 (de) 2009-02-26
ATE553472T1 (de) 2012-04-15
US20080312917A1 (en) 2008-12-18
CN100362568C (zh) 2008-01-16
WO2001082293A1 (en) 2001-11-01
AU2001253752A1 (en) 2001-11-07
US7426466B2 (en) 2008-09-16
TW519616B (en) 2003-02-01
CN1655236A (zh) 2005-08-17
JP5037772B2 (ja) 2012-10-03
EP1796083A3 (en) 2007-08-01
US20040260542A1 (en) 2004-12-23
US8660840B2 (en) 2014-02-25
EP2040253B1 (en) 2012-04-11
EP1796083A2 (en) 2007-06-13
EP1279167B1 (en) 2007-05-30
ES2287122T3 (es) 2007-12-16
EP1279167A1 (en) 2003-01-29
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ES2318820T3 (es) 2009-05-01
ATE363711T1 (de) 2007-06-15

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