ATE484052T1 - Sprachsignalverarbeitung bei der verschleierung von paketverlusten - Google Patents

Sprachsignalverarbeitung bei der verschleierung von paketverlusten

Info

Publication number
ATE484052T1
ATE484052T1 AT09178182T AT09178182T ATE484052T1 AT E484052 T1 ATE484052 T1 AT E484052T1 AT 09178182 T AT09178182 T AT 09178182T AT 09178182 T AT09178182 T AT 09178182T AT E484052 T1 ATE484052 T1 AT E484052T1
Authority
AT
Austria
Prior art keywords
signal
obtaining
attenuation factor
packet loss
change trend
Prior art date
Application number
AT09178182T
Other languages
English (en)
Inventor
Wuzhou Zhan
Dongqi Wang
Yongfeng Tu
Jing Wang
Qing Zhang
Lei Miao
Jianfeng Xu
Chen Hu
Yi Yang
Zhengzhong Du
Fengyan Qi
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of ATE484052T1 publication Critical patent/ATE484052T1/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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Fluid-Damping Devices (AREA)
  • Telephone Function (AREA)
  • Communication Control (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Telephonic Communication Services (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Networks Using Active Elements (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
AT09178182T 2007-11-05 2008-11-05 Sprachsignalverarbeitung bei der verschleierung von paketverlusten ATE484052T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007101696180A CN101207665B (zh) 2007-11-05 2007-11-05 一种衰减因子的获取方法

Publications (1)

Publication Number Publication Date
ATE484052T1 true ATE484052T1 (de) 2010-10-15

Family

ID=39567522

Family Applications (2)

Application Number Title Priority Date Filing Date
AT08168328T ATE458241T1 (de) 2007-11-05 2008-11-05 Verfahren und vorrichtung zur erlangung eines dämpfungsfaktors
AT09178182T ATE484052T1 (de) 2007-11-05 2008-11-05 Sprachsignalverarbeitung bei der verschleierung von paketverlusten

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT08168328T ATE458241T1 (de) 2007-11-05 2008-11-05 Verfahren und vorrichtung zur erlangung eines dämpfungsfaktors

Country Status (12)

Country Link
US (2) US8320265B2 (de)
EP (2) EP2161719B1 (de)
JP (2) JP4824734B2 (de)
KR (1) KR101168648B1 (de)
CN (4) CN101207665B (de)
AT (2) ATE458241T1 (de)
BR (1) BRPI0808765B1 (de)
DE (3) DE202008017752U1 (de)
DK (1) DK2056292T3 (de)
ES (1) ES2340975T3 (de)
PL (1) PL2056292T3 (de)
WO (1) WO2009059497A1 (de)

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KR100998396B1 (ko) * 2008-03-20 2010-12-03 광주과학기술원 프레임 손실 은닉 방법, 프레임 손실 은닉 장치 및 음성송수신 장치
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Also Published As

Publication number Publication date
ES2340975T3 (es) 2010-06-11
EP2161719B1 (de) 2010-10-06
ATE458241T1 (de) 2010-03-15
EP2056292A2 (de) 2009-05-06
PL2056292T3 (pl) 2010-07-30
US20090116486A1 (en) 2009-05-07
DE202008017752U1 (de) 2010-09-16
KR101168648B1 (ko) 2012-07-25
CN102682777B (zh) 2013-11-06
JP5255585B2 (ja) 2013-08-07
US20090316598A1 (en) 2009-12-24
KR20090046714A (ko) 2009-05-11
BRPI0808765A2 (pt) 2014-09-16
CN101207665A (zh) 2008-06-25
DE602008002938D1 (de) 2010-11-18
CN101207665B (zh) 2010-12-08
JP4824734B2 (ja) 2011-11-30
US7957961B2 (en) 2011-06-07
WO2009059497A1 (en) 2009-05-14
JP2010176142A (ja) 2010-08-12
CN102682777A (zh) 2012-09-19
CN101578657A (zh) 2009-11-11
DE602008000668D1 (de) 2010-04-01
EP2056292B1 (de) 2010-02-17
US8320265B2 (en) 2012-11-27
EP2056292A3 (de) 2009-05-27
DK2056292T3 (da) 2010-06-07
JP2009175693A (ja) 2009-08-06
HK1155844A1 (en) 2012-05-25
CN102169692B (zh) 2014-04-30
EP2161719A2 (de) 2010-03-10
CN101578657B (zh) 2012-11-07
CN102169692A (zh) 2011-08-31
BRPI0808765B1 (pt) 2020-09-15
HK1142713A1 (en) 2010-12-10
EP2161719A3 (de) 2010-03-24

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