DE69229660D1 - Vokoder zur Kodierung und Dekodierung von Sprachsignalen - Google Patents

Vokoder zur Kodierung und Dekodierung von Sprachsignalen

Info

Publication number
DE69229660D1
DE69229660D1 DE69229660T DE69229660T DE69229660D1 DE 69229660 D1 DE69229660 D1 DE 69229660D1 DE 69229660 T DE69229660 T DE 69229660T DE 69229660 T DE69229660 T DE 69229660T DE 69229660 D1 DE69229660 D1 DE 69229660D1
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
DE69229660T2 (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
Application granted granted Critical
Publication of DE69229660D1 publication Critical patent/DE69229660D1/de
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 true DE69229660D1 (de) 1999-09-02
DE69229660T2 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
DE60026866D1 (de) * 2000-05-17 2006-05-11 Symstream Technology Holdings Opd (octave pulse data) - verfahren 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
DE69229660T2 (de) 1999-12-30
EP0534442A3 (en) 1993-12-01
EP0534442B1 (de) 1999-07-28
CA2078927C (en) 1997-01-28
EP0534442A2 (de) 1993-03-31
CA2078927A1 (en) 1993-03-26
US5553194A (en) 1996-09-03

Similar Documents

Publication Publication Date Title
DE69229620D1 (de) System zur Sprachkodierung und -dekodierung
DE69232904D1 (de) Sprachkodierer/-dekodierer und Kodierungs-/Dekodierungsverfahren
DE69023402D1 (de) Verfahren zur Sprachkodierung und -dekodierung.
DE69227401D1 (de) Verfahren zum Kodieren und Dekodieren von Sprachsignalen
DE69432012D1 (de) Wahrnehmungsgebundene Kodierung von Audiosignalen
DE69324960D1 (de) Kodierung und Dekodierung
DE69028675D1 (de) Wahrnehmungsgebundene Kodierung von Audiosignalen
DE69828725D1 (de) Einrichtung zur Sprachkodierung und -dekodierung
DE69005010D1 (de) Einrichtung zur Sprachkodierung und -Dekodierung.
DE69032551D1 (de) Einrichtung zur Sprachkodierung
DE69323123D1 (de) Kodierung und Dekodierung von Bildsignalen
DE69622611D1 (de) Kodierung und Dekodierung von Bildsignalen
DE69324213D1 (de) Sprachkodierer und Verfahren zur Sprachkodierung
DE69325952D1 (de) Kodierung und Dekodierung von Audio-information
DE69923724D1 (de) Vorrichtung zur Codierung von Sprach- und Musiksignalen sowie Vorrichtung zur Decodierung
DE69331428D1 (de) Kodierung und Dekodierung digitaler Signale
DE69014440D1 (de) Sprachcodierungs-/-decodierungssystem.
DE69423693D1 (de) System zur angepassten Reduktion von Geräuschen bei Sprachsignalen
DE69330234D1 (de) Hocheffiziente Vorrichtung zur Kodierung und/oder Dekodierung
DE59611511D1 (de) Verfahren zur redundanzreduktion bei der codierung von mehrkanaligen signalen und vorrichtung zur dekodierung von redundanzreduzierten, mehrkanaligen signalen
DE69425769D1 (de) Kodierung von digitalen Signalen
DE69330022D1 (de) Sprachdekoder
NO962114L (no) Bildesignal-koding og tilhörende dekoding
DE69329569D1 (de) Digitale Kodierung von Sprachsignalen
DE68925516D1 (de) Wirksames Kodierungsverfahren und zugehöriges Dekodierungsverfahren

Legal Events

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