HK1155844A1 - 信號處理方法和裝置 - Google Patents

信號處理方法和裝置

Info

Publication number
HK1155844A1
HK1155844A1 HK11109983.7A HK11109983A HK1155844A1 HK 1155844 A1 HK1155844 A1 HK 1155844A1 HK 11109983 A HK11109983 A HK 11109983A HK 1155844 A1 HK1155844 A1 HK 1155844A1
Authority
HK
Hong Kong
Prior art keywords
signal
obtaining
attenuation factor
change trend
present
Prior art date
Application number
HK11109983.7A
Other languages
English (en)
Inventor
詹五洲
王靜
王東琦
張清
涂永峰
苗磊
許劍峰
胡晨
楊毅
杜正中
齊峰岩
Original Assignee
華為技術有限公司
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 華為技術有限公司 filed Critical 華為技術有限公司
Publication of HK1155844A1 publication Critical patent/HK1155844A1/zh

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)
  • Telephone Function (AREA)
  • Fluid-Damping Devices (AREA)
  • Communication Control (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Networks Using Active Elements (AREA)
HK11109983.7A 2007-11-05 2011-09-22 信號處理方法和裝置 HK1155844A1 (zh)

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
HK1155844A1 true HK1155844A1 (zh) 2012-05-25

Family

ID=39567522

Family Applications (2)

Application Number Title Priority Date Filing Date
HK10107180.3A HK1142713A1 (en) 2007-11-05 2010-07-27 Processing of a speech signal in packet loss concealment
HK11109983.7A HK1155844A1 (zh) 2007-11-05 2011-09-22 信號處理方法和裝置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK10107180.3A HK1142713A1 (en) 2007-11-05 2010-07-27 Processing of a speech signal in packet loss concealment

Country Status (13)

Country Link
US (2) US8320265B2 (zh)
EP (2) EP2056292B1 (zh)
JP (2) JP4824734B2 (zh)
KR (1) KR101168648B1 (zh)
CN (4) CN101207665B (zh)
AT (2) ATE484052T1 (zh)
BR (1) BRPI0808765B1 (zh)
DE (3) DE202008017752U1 (zh)
DK (1) DK2056292T3 (zh)
ES (1) ES2340975T3 (zh)
HK (2) HK1142713A1 (zh)
PL (1) PL2056292T3 (zh)
WO (1) WO2009059497A1 (zh)

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CN101483042B (zh) * 2008-03-20 2011-03-30 华为技术有限公司 一种噪声生成方法以及噪声生成装置
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
DK2056292T3 (da) 2010-06-07
EP2056292A2 (en) 2009-05-06
EP2056292B1 (en) 2010-02-17
CN102169692B (zh) 2014-04-30
JP4824734B2 (ja) 2011-11-30
US20090316598A1 (en) 2009-12-24
CN101207665B (zh) 2010-12-08
DE202008017752U1 (de) 2010-09-16
US7957961B2 (en) 2011-06-07
JP5255585B2 (ja) 2013-08-07
WO2009059497A1 (fr) 2009-05-14
HK1142713A1 (en) 2010-12-10
EP2161719B1 (en) 2010-10-06
KR101168648B1 (ko) 2012-07-25
ATE484052T1 (de) 2010-10-15
KR20090046714A (ko) 2009-05-11
EP2161719A2 (en) 2010-03-10
PL2056292T3 (pl) 2010-07-30
DE602008000668D1 (de) 2010-04-01
JP2010176142A (ja) 2010-08-12
JP2009175693A (ja) 2009-08-06
CN102682777B (zh) 2013-11-06
US20090116486A1 (en) 2009-05-07
EP2056292A3 (en) 2009-05-27
BRPI0808765A2 (pt) 2014-09-16
CN101578657A (zh) 2009-11-11
CN102169692A (zh) 2011-08-31
CN101207665A (zh) 2008-06-25
CN101578657B (zh) 2012-11-07
CN102682777A (zh) 2012-09-19
BRPI0808765B1 (pt) 2020-09-15
DE602008002938D1 (de) 2010-11-18
ES2340975T3 (es) 2010-06-11
EP2161719A3 (en) 2010-03-24
US8320265B2 (en) 2012-11-27
ATE458241T1 (de) 2010-03-15

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