TR199501637A2 - Bir ses sinyalini kodlamak icin yöntem. - Google Patents

Bir ses sinyalini kodlamak icin yöntem.

Info

Publication number
TR199501637A2
TR199501637A2 TR95/01637A TR9501637A TR199501637A2 TR 199501637 A2 TR199501637 A2 TR 199501637A2 TR 95/01637 A TR95/01637 A TR 95/01637A TR 9501637 A TR9501637 A TR 9501637A TR 199501637 A2 TR199501637 A2 TR 199501637A2
Authority
TR
Turkey
Prior art keywords
parameters
alpha
lsp
codebook
vector
Prior art date
Application number
TR95/01637A
Other languages
English (en)
Inventor
Masayuki Nishiguchi
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of TR199501637A2 publication Critical patent/TR199501637A2/tr

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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L19/08—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
    • 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
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • 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
    • G10L25/24—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 the cepstrum

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Communication Control (AREA)
  • Golf Clubs (AREA)
  • Tires In General (AREA)
TR95/01637A 1994-12-21 1995-12-21 Bir ses sinyalini kodlamak icin yöntem. TR199501637A2 (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6318689A JPH08179796A (ja) 1994-12-21 1994-12-21 音声符号化方法

Publications (1)

Publication Number Publication Date
TR199501637A2 true TR199501637A2 (tr) 1996-07-21

Family

ID=18101922

Family Applications (1)

Application Number Title Priority Date Filing Date
TR95/01637A TR199501637A2 (tr) 1994-12-21 1995-12-21 Bir ses sinyalini kodlamak icin yöntem.

Country Status (16)

Country Link
US (1) US5950155A (tr)
EP (1) EP0751494B1 (tr)
JP (1) JPH08179796A (tr)
KR (1) KR970701410A (tr)
CN (1) CN1141684A (tr)
AT (1) ATE233008T1 (tr)
AU (1) AU703046B2 (tr)
BR (1) BR9506841A (tr)
CA (1) CA2182790A1 (tr)
DE (1) DE69529672T2 (tr)
ES (1) ES2188679T3 (tr)
MY (1) MY112314A (tr)
PL (1) PL316008A1 (tr)
TR (1) TR199501637A2 (tr)
TW (1) TW367484B (tr)
WO (1) WO1996019798A1 (tr)

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KR100446630B1 (ko) * 2002-05-08 2004-09-04 삼성전자주식회사 음성신호에 대한 벡터 양자화 및 역 벡터 양자화 장치와그 방법
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JP4816115B2 (ja) * 2006-02-08 2011-11-16 カシオ計算機株式会社 音声符号化装置及び音声符号化方法
JP5300733B2 (ja) * 2007-10-12 2013-09-25 パナソニック株式会社 ベクトル量子化装置、ベクトル逆量子化装置、およびこれらの方法
CN100578619C (zh) 2007-11-05 2010-01-06 华为技术有限公司 编码方法和编码器
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
GB2466675B (en) * 2009-01-06 2013-03-06 Skype Speech coding
JP2011090031A (ja) * 2009-10-20 2011-05-06 Oki Electric Industry Co Ltd 音声帯域拡張装置及びプログラム、並びに、拡張用パラメータ学習装置及びプログラム
US8280726B2 (en) * 2009-12-23 2012-10-02 Qualcomm Incorporated Gender detection in mobile phones
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Also Published As

Publication number Publication date
EP0751494B1 (en) 2003-02-19
KR970701410A (ko) 1997-03-17
AU703046B2 (en) 1999-03-11
ATE233008T1 (de) 2003-03-15
DE69529672T2 (de) 2003-12-18
JPH08179796A (ja) 1996-07-12
EP0751494A1 (en) 1997-01-02
CA2182790A1 (en) 1996-06-27
MY112314A (en) 2001-05-31
US5950155A (en) 1999-09-07
TW367484B (en) 1999-08-21
WO1996019798A1 (en) 1996-06-27
EP0751494A4 (en) 1998-12-30
AU4190196A (en) 1996-07-10
BR9506841A (pt) 1997-10-14
ES2188679T3 (es) 2003-07-01
MX9603416A (es) 1997-12-31
PL316008A1 (en) 1996-12-23
DE69529672D1 (de) 2003-03-27
CN1141684A (zh) 1997-01-29

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