FR2720850B1 - Procédé de codage de parole à prédiction linéaire. - Google Patents

Procédé de codage de parole à prédiction linéaire.

Info

Publication number
FR2720850B1
FR2720850B1 FR9406825A FR9406825A FR2720850B1 FR 2720850 B1 FR2720850 B1 FR 2720850B1 FR 9406825 A FR9406825 A FR 9406825A FR 9406825 A FR9406825 A FR 9406825A FR 2720850 B1 FR2720850 B1 FR 2720850B1
Authority
FR
France
Prior art keywords
coding method
linear prediction
speech coding
prediction speech
linear
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
FR9406825A
Other languages
English (en)
Other versions
FR2720850A1 (fr
Inventor
Sophie Scott
William Navarro
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.)
Nortel Networks France SAS
Original Assignee
Matra Communication SA
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 Matra Communication SA filed Critical Matra Communication SA
Priority to FR9406825A priority Critical patent/FR2720850B1/fr
Priority to DE69516455T priority patent/DE69516455T2/de
Priority to EP95401262A priority patent/EP0685833B1/fr
Priority to US08/465,263 priority patent/US5642465A/en
Publication of FR2720850A1 publication Critical patent/FR2720850A1/fr
Application granted granted Critical
Publication of FR2720850B1 publication Critical patent/FR2720850B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (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)
FR9406825A 1994-06-03 1994-06-03 Procédé de codage de parole à prédiction linéaire. Expired - Fee Related FR2720850B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9406825A FR2720850B1 (fr) 1994-06-03 1994-06-03 Procédé de codage de parole à prédiction linéaire.
DE69516455T DE69516455T2 (de) 1994-06-03 1995-05-31 Verfahren zur Sprachkodierung mittels linearer Prädiktion
EP95401262A EP0685833B1 (fr) 1994-06-03 1995-05-31 Procédé de codage de parole à prédiction linéaire
US08/465,263 US5642465A (en) 1994-06-03 1995-06-05 Linear prediction speech coding method using spectral energy for quantization mode selection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9406825A FR2720850B1 (fr) 1994-06-03 1994-06-03 Procédé de codage de parole à prédiction linéaire.

Publications (2)

Publication Number Publication Date
FR2720850A1 FR2720850A1 (fr) 1995-12-08
FR2720850B1 true FR2720850B1 (fr) 1996-08-14

Family

ID=9463861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9406825A Expired - Fee Related FR2720850B1 (fr) 1994-06-03 1994-06-03 Procédé de codage de parole à prédiction linéaire.

Country Status (4)

Country Link
US (1) US5642465A (fr)
EP (1) EP0685833B1 (fr)
DE (1) DE69516455T2 (fr)
FR (1) FR2720850B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
JP3196595B2 (ja) * 1995-09-27 2001-08-06 日本電気株式会社 音声符号化装置
JPH09230896A (ja) * 1996-02-28 1997-09-05 Sony Corp 音声合成装置
JP3094908B2 (ja) * 1996-04-17 2000-10-03 日本電気株式会社 音声符号化装置
US6253172B1 (en) * 1997-10-16 2001-06-26 Texas Instruments Incorporated Spectral transformation of acoustic signals
US6094629A (en) * 1998-07-13 2000-07-25 Lockheed Martin Corp. Speech coding system and method including spectral quantizer
US7379865B2 (en) * 2001-10-26 2008-05-27 At&T Corp. System and methods for concealing errors in data transmission
KR20050049103A (ko) * 2003-11-21 2005-05-25 삼성전자주식회사 포만트 대역을 이용한 다이얼로그 인핸싱 방법 및 장치
JP4975829B2 (ja) * 2007-12-25 2012-07-11 パナソニック株式会社 超音波診断装置
ES2924180T3 (es) * 2009-12-14 2022-10-05 Fraunhofer Ges Forschung Dispositivo de cuantificación vectorial, dispositivo de codificación de habla, procedimiento de cuantificación vectorial y procedimiento de codificación de habla
CN104021793B (zh) * 2010-03-23 2017-05-17 Lg电子株式会社 处理音频信号的方法和装置
CN103928031B (zh) * 2013-01-15 2016-03-30 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
CA2956531C (fr) 2014-07-29 2020-03-24 Telefonaktiebolaget Lm Ericsson (Publ) Estimation d'un bruit de fond dans des signaux audio

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (nl) 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.

Also Published As

Publication number Publication date
EP0685833B1 (fr) 2000-04-26
FR2720850A1 (fr) 1995-12-08
EP0685833A1 (fr) 1995-12-06
US5642465A (en) 1997-06-24
DE69516455D1 (de) 2000-05-31
DE69516455T2 (de) 2001-01-25

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Effective date: 20070228