NO20021865L - Fremgangsmåte og apparat for variabel bitkoding av tale - Google Patents

Fremgangsmåte og apparat for variabel bitkoding av tale

Info

Publication number
NO20021865L
NO20021865L NO20021865A NO20021865A NO20021865L NO 20021865 L NO20021865 L NO 20021865L NO 20021865 A NO20021865 A NO 20021865A NO 20021865 A NO20021865 A NO 20021865A NO 20021865 L NO20021865 L NO 20021865L
Authority
NO
Norway
Prior art keywords
speech
variable bit
bit coding
coding
variable
Prior art date
Application number
NO20021865A
Other languages
English (en)
Norwegian (no)
Other versions
NO20021865D0 (no
Inventor
Shihua Wang
Original Assignee
Atmel Corp
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 Atmel Corp filed Critical Atmel Corp
Publication of NO20021865L publication Critical patent/NO20021865L/no
Publication of NO20021865D0 publication Critical patent/NO20021865D0/no

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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • 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

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
NO20021865A 1999-10-19 2002-04-19 Fremgangsmåte og apparat for variabel bitkoding av tale NO20021865D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/421,435 US6510407B1 (en) 1999-10-19 1999-10-19 Method and apparatus for variable rate coding of speech
PCT/US2000/040725 WO2001029825A1 (en) 1999-10-19 2000-08-23 Variable bit-rate celp coding of speech with phonetic classification

Publications (2)

Publication Number Publication Date
NO20021865L true NO20021865L (no) 2002-04-19
NO20021865D0 NO20021865D0 (no) 2002-04-19

Family

ID=23670498

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20021865A NO20021865D0 (no) 1999-10-19 2002-04-19 Fremgangsmåte og apparat for variabel bitkoding av tale

Country Status (11)

Country Link
US (1) US6510407B1 (de)
EP (1) EP1224662B1 (de)
JP (1) JP2003512654A (de)
KR (1) KR20020052191A (de)
CN (1) CN1158648C (de)
CA (1) CA2382575A1 (de)
DE (1) DE60006271T2 (de)
HK (1) HK1048187B (de)
NO (1) NO20021865D0 (de)
TW (1) TW497335B (de)
WO (1) WO2001029825A1 (de)

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EP1442453B1 (de) * 2001-10-19 2006-09-06 Koninklijke Philips Electronics N.V. Differentielle kodierung im frequenz bereich von sinusmodell parametern
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WO2008007616A1 (fr) * 2006-07-13 2008-01-17 Nec Corporation Dispositif, procédé et programme d'alarme relatif à une entrée de murmure non audible
JP4946293B2 (ja) * 2006-09-13 2012-06-06 富士通株式会社 音声強調装置、音声強調プログラムおよび音声強調方法
EP2076901B8 (de) 2006-10-25 2017-08-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zum erzeugen von audiosubbandwerten und vorrichtung und verfahren zum erzeugen von zeitbereichs-audiosamples
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KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
CN101325631B (zh) * 2007-06-14 2010-10-20 华为技术有限公司 一种估计基音周期的方法和装置
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CN100578619C (zh) * 2007-11-05 2010-01-06 华为技术有限公司 编码方法和编码器
CN101540612B (zh) * 2008-03-19 2012-04-25 华为技术有限公司 编码、解码系统、方法及装置
CN101609679B (zh) * 2008-06-20 2012-10-17 华为技术有限公司 嵌入式编解码方法和装置
EP2141696A1 (de) * 2008-07-03 2010-01-06 Deutsche Thomson OHG Verfahren zur Zeitskalierung einer Folge aus Eingabesignalwerten
CN101604525B (zh) * 2008-12-31 2011-04-06 华为技术有限公司 基音增益获取方法、装置及编码器、解码器
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CN105551497B (zh) 2013-01-15 2019-03-19 华为技术有限公司 编码方法、解码方法、编码装置和解码装置
TWI566241B (zh) * 2015-01-23 2017-01-11 宏碁股份有限公司 語音信號處理裝置及語音信號處理方法

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Also Published As

Publication number Publication date
CA2382575A1 (en) 2001-04-26
EP1224662B1 (de) 2003-10-29
CN1379899A (zh) 2002-11-13
HK1048187B (zh) 2004-12-31
EP1224662A1 (de) 2002-07-24
US6510407B1 (en) 2003-01-21
WO2001029825B1 (en) 2001-11-15
WO2001029825A1 (en) 2001-04-26
HK1048187A1 (en) 2003-03-21
DE60006271T2 (de) 2004-07-29
CN1158648C (zh) 2004-07-21
JP2003512654A (ja) 2003-04-02
DE60006271D1 (de) 2003-12-04
TW497335B (en) 2002-08-01
KR20020052191A (ko) 2002-07-02
NO20021865D0 (no) 2002-04-19

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