DE69229660T2 - Vokoder zur Kodierung und Dekodierung von Sprachsignalen - Google Patents

Vokoder zur Kodierung und Dekodierung von Sprachsignalen

Info

Publication number
DE69229660T2
DE69229660T2 DE69229660T DE69229660T DE69229660T2 DE 69229660 T2 DE69229660 T2 DE 69229660T2 DE 69229660 T DE69229660 T DE 69229660T DE 69229660 T DE69229660 T DE 69229660T DE 69229660 T2 DE69229660 T2 DE 69229660T2
Authority
DE
Germany
Prior art keywords
vocoder
coding
speech signals
decoding speech
decoding
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
DE69229660T
Other languages
English (en)
Other versions
DE69229660D1 (de
Inventor
Katsushi Seza
Hirohisa Tasaki
Kunio Nakajima
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP24566691A external-priority patent/JP3254696B2/ja
Priority claimed from JP04087849A external-priority patent/JP3099844B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69229660D1 publication Critical patent/DE69229660D1/de
Application granted granted Critical
Publication of DE69229660T2 publication Critical patent/DE69229660T2/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
    • G10L19/04—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69229660T 1991-09-25 1992-09-24 Vokoder zur Kodierung und Dekodierung von Sprachsignalen Expired - Fee Related DE69229660T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24566691A JP3254696B2 (ja) 1991-09-25 1991-09-25 音声符号化装置、音声復号化装置および音源生成方法
JP04087849A JP3099844B2 (ja) 1992-03-11 1992-03-11 音声符号化復号化方式

Publications (2)

Publication Number Publication Date
DE69229660D1 DE69229660D1 (de) 1999-09-02
DE69229660T2 true DE69229660T2 (de) 1999-12-30

Family

ID=26429099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229660T Expired - Fee Related DE69229660T2 (de) 1991-09-25 1992-09-24 Vokoder zur Kodierung und Dekodierung von Sprachsignalen

Country Status (4)

Country Link
US (1) US5553194A (de)
EP (1) EP0534442B1 (de)
CA (1) CA2078927C (de)
DE (1) DE69229660T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5920842A (en) * 1994-10-12 1999-07-06 Pixel Instruments Signal synchronization
US5864797A (en) * 1995-05-30 1999-01-26 Sanyo Electric Co., Ltd. Pitch-synchronous speech coding by applying multiple analysis to select and align a plurality of types of code vectors
DE60039262D1 (de) * 2000-05-17 2008-07-31 Symstream Technology Holdings Octave Pulse Data Kodierung- und Dekodierungsverfahren und Vorrichtung
JP4661074B2 (ja) * 2004-04-07 2011-03-30 ソニー株式会社 情報処理システム、情報処理方法、並びにロボット装置
US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
US8135362B2 (en) 2005-03-07 2012-03-13 Symstream Technology Holdings Pty Ltd Symbol stream virtual radio organism method and apparatus
JP2008058667A (ja) * 2006-08-31 2008-03-13 Sony Corp 信号処理装置および方法、記録媒体、並びにプログラム
WO2009023807A1 (en) * 2007-08-15 2009-02-19 Massachusetts Institute Of Technology Speech processing apparatus and method employing feedback

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163829B1 (de) * 1984-03-21 1989-08-23 Nippon Telegraph And Telephone Corporation Sprachsignaleverarbeitungssystem
IT1180126B (it) * 1984-11-13 1987-09-23 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante tecniche di quantizzazione vettoriale
JPS6262399A (ja) * 1985-09-13 1987-03-19 株式会社日立製作所 音声高能率符号化方式
JPH02272500A (ja) * 1989-04-13 1990-11-07 Fujitsu Ltd コード駆動音声符号化方式
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法

Also Published As

Publication number Publication date
CA2078927A1 (en) 1993-03-26
US5553194A (en) 1996-09-03
EP0534442B1 (de) 1999-07-28
EP0534442A3 (en) 1993-12-01
DE69229660D1 (de) 1999-09-02
EP0534442A2 (de) 1993-03-31
CA2078927C (en) 1997-01-28

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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