DE69620808T2 - System zur Signalübertragung mittels spektraler Parameter und Vorrichtung zur Kodierung und Dekodierung von Sprachparametern dafür - Google Patents

System zur Signalübertragung mittels spektraler Parameter und Vorrichtung zur Kodierung und Dekodierung von Sprachparametern dafür

Info

Publication number
DE69620808T2
DE69620808T2 DE69620808T DE69620808T DE69620808T2 DE 69620808 T2 DE69620808 T2 DE 69620808T2 DE 69620808 T DE69620808 T DE 69620808T DE 69620808 T DE69620808 T DE 69620808T DE 69620808 T2 DE69620808 T2 DE 69620808T2
Authority
DE
Germany
Prior art keywords
parameters
coding
signal transmission
therefor
decoding speech
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69620808T
Other languages
English (en)
Other versions
DE69620808D1 (de
Inventor
Toshiyuki Nomura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69620808D1 publication Critical patent/DE69620808D1/de
Application granted granted Critical
Publication of DE69620808T2 publication Critical patent/DE69620808T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10L19/02—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
    • G10L19/0212—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 orthogonal transformation
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69620808T 1995-01-17 1996-01-17 System zur Signalübertragung mittels spektraler Parameter und Vorrichtung zur Kodierung und Dekodierung von Sprachparametern dafür Expired - Fee Related DE69620808T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7005090A JP2982637B2 (ja) 1995-01-17 1995-01-17 スペクトルパラメータを用いた音声信号伝送システムおよびそれに用いられる音声パラメータ符号化装置および復号化装置

Publications (2)

Publication Number Publication Date
DE69620808D1 DE69620808D1 (de) 2002-05-29
DE69620808T2 true DE69620808T2 (de) 2002-09-26

Family

ID=11601703

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620808T Expired - Fee Related DE69620808T2 (de) 1995-01-17 1996-01-17 System zur Signalübertragung mittels spektraler Parameter und Vorrichtung zur Kodierung und Dekodierung von Sprachparametern dafür

Country Status (5)

Country Link
US (1) US5734679A (de)
EP (1) EP0723257B1 (de)
JP (1) JP2982637B2 (de)
CA (1) CA2167327C (de)
DE (1) DE69620808T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
US6178405B1 (en) 1996-11-18 2001-01-23 Innomedia Pte Ltd. Concatenation compression method
AU2003213149A1 (en) * 2002-02-21 2003-09-09 The Regents Of The University Of California Scalable compression of audio and other signals
RU2005120236A (ru) * 2002-11-28 2006-01-20 Конинклейке Филипс Электроникс Н.В. (Nl) Кодирование аудиосигнала

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032100A (ja) * 1983-08-03 1985-02-19 日本電気株式会社 Ｌｓｐ型パタンマッチングボコ−ダ
JP2605256B2 (ja) * 1985-03-20 1997-04-30 日本電気株式会社 Ｌｓｐパタンマツチングボコーダ
JP3114197B2 (ja) * 1990-11-02 2000-12-04 日本電気株式会社 音声パラメータ符号化方法
US5271089A (en) * 1990-11-02 1993-12-14 Nec Corporation Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
JP3151874B2 (ja) * 1991-02-26 2001-04-03 日本電気株式会社 音声パラメータ符号化方式および装置
JP2936757B2 (ja) * 1991-03-08 1999-08-23 三菱電機株式会社 量子化器
JP3088163B2 (ja) * 1991-12-18 2000-09-18 沖電気工業株式会社 Ｌｓｐ係数の量子化方法

Also Published As

Publication number Publication date
CA2167327A1 (en) 1996-07-18
EP0723257A3 (de) 1998-01-07
CA2167327C (en) 1999-10-12
US5734679A (en) 1998-03-31
JPH08195722A (ja) 1996-07-30
EP0723257B1 (de) 2002-04-24
JP2982637B2 (ja) 1999-11-29
DE69620808D1 (de) 2002-05-29
EP0723257A2 (de) 1996-07-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee