ATE553472T1 - Prädikitve dequantisierung von stimmhaften sprachsignalen - Google Patents

Prädikitve dequantisierung von stimmhaften sprachsignalen

Info

Publication number
ATE553472T1
ATE553472T1 AT08173008T AT08173008T ATE553472T1 AT E553472 T1 ATE553472 T1 AT E553472T1 AT 08173008 T AT08173008 T AT 08173008T AT 08173008 T AT08173008 T AT 08173008T AT E553472 T1 ATE553472 T1 AT E553472T1
Authority
AT
Austria
Prior art keywords
voiceable
dequantization
predictive
speech signals
processor
Prior art date
Application number
AT08173008T
Other languages
English (en)
Inventor
Arasanipali Ananthapadmanabhan
Sharath Manjunath
Pengjun Huang
Eddie-Lun Choy
Andrew P Dejaco
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 ATE553472T1 publication Critical patent/ATE553472T1/de

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)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Electrically Operated Instructional Devices (AREA)
AT08173008T 2000-04-24 2001-04-20 Prädikitve dequantisierung von stimmhaften sprachsignalen ATE553472T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE553472T1 true ATE553472T1 (de) 2012-04-15

Family

ID=24224775

Family Applications (3)

Application Number Title Priority Date Filing Date
AT07105323T ATE420432T1 (de) 2000-04-24 2001-04-20 Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
AT08173008T ATE553472T1 (de) 2000-04-24 2001-04-20 Prädikitve dequantisierung von stimmhaften sprachsignalen
AT01927283T ATE363711T1 (de) 2000-04-24 2001-04-20 Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT07105323T ATE420432T1 (de) 2000-04-24 2001-04-20 Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT01927283T ATE363711T1 (de) 2000-04-24 2001-04-20 Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen

Country Status (13)

Country Link
US (2) US7426466B2 (de)
EP (3) EP2040253B1 (de)
JP (1) JP5037772B2 (de)
KR (1) KR100804461B1 (de)
CN (2) CN100362568C (de)
AT (3) ATE420432T1 (de)
AU (1) AU2001253752A1 (de)
BR (1) BR0110253A (de)
DE (2) DE60137376D1 (de)
ES (2) ES2318820T3 (de)
HK (1) HK1078979A1 (de)
TW (1) TW519616B (de)
WO (1) WO2001082293A1 (de)

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US20040260542A1 (en) 2004-12-23
US7426466B2 (en) 2008-09-16
ATE420432T1 (de) 2009-01-15
ATE363711T1 (de) 2007-06-15
EP1279167B1 (de) 2007-05-30
KR20020093943A (ko) 2002-12-16
EP1279167A1 (de) 2003-01-29
US20080312917A1 (en) 2008-12-18
EP1796083B1 (de) 2009-01-07
JP2003532149A (ja) 2003-10-28
TW519616B (en) 2003-02-01
CN1432176A (zh) 2003-07-23
AU2001253752A1 (en) 2001-11-07
DE60137376D1 (de) 2009-02-26
EP2040253B1 (de) 2012-04-11
US8660840B2 (en) 2014-02-25
CN1655236A (zh) 2005-08-17
EP2040253A1 (de) 2009-03-25
HK1078979A1 (en) 2006-03-24
CN100362568C (zh) 2008-01-16
DE60128677D1 (de) 2007-07-12
JP5037772B2 (ja) 2012-10-03
DE60128677T2 (de) 2008-03-06
BR0110253A (pt) 2006-02-07
EP1796083A2 (de) 2007-06-13
KR100804461B1 (ko) 2008-02-20
WO2001082293A1 (en) 2001-11-01
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EP1796083A3 (de) 2007-08-01

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