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DK126986A - Fremgangsmaade til bitmaengdebegraenset kodning af tale med multiimpuls-aktiveringssignal - Google Patents

Fremgangsmaade til bitmaengdebegraenset kodning af tale med multiimpuls-aktiveringssignal Download PDF

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Publication number
DK126986A
DK126986A DK126986A DK126986A DK126986A DK 126986 A DK126986 A DK 126986A DK 126986 A DK126986 A DK 126986A DK 126986 A DK126986 A DK 126986A DK 126986 A DK126986 A DK 126986A
Authority
DK
Denmark
Prior art keywords
bitch
voice
activation signal
pulse activation
limited coding
Prior art date
Application number
DK126986A
Other languages
Danish (da)
English (en)
Other versions
DK126986D0 (da
Inventor
Jean-Paul Lefevre
Olivier Passien
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of DK126986D0 publication Critical patent/DK126986D0/da
Publication of DK126986A publication Critical patent/DK126986A/da

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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK126986A 1985-03-22 1986-03-19 Fremgangsmaade til bitmaengdebegraenset kodning af tale med multiimpuls-aktiveringssignal DK126986A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8504304A FR2579356B1 (fr) 1985-03-22 1985-03-22 Procede de codage a faible debit de la parole a signal multi-impulsionnel d'excitation

Publications (2)

Publication Number Publication Date
DK126986D0 DK126986D0 (da) 1986-03-19
DK126986A true DK126986A (da) 1986-09-23

Family

ID=9317484

Family Applications (1)

Application Number Title Priority Date Filing Date
DK126986A DK126986A (da) 1985-03-22 1986-03-19 Fremgangsmaade til bitmaengdebegraenset kodning af tale med multiimpuls-aktiveringssignal

Country Status (6)

Country Link
US (1) US4847905A (fr)
EP (1) EP0195441B1 (fr)
CA (1) CA1241117A (fr)
DE (1) DE3670712D1 (fr)
DK (1) DK126986A (fr)
FR (1) FR2579356B1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE35057E (en) * 1987-08-28 1995-10-10 British Telecommunications Public Limited Company Speech coding using sparse vector codebook and cyclic shift techniques
CA1337217C (fr) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Codage vocal
BR9006761A (pt) * 1989-05-11 1991-08-13 Ericsson Telefon Ab L M Processo para posicionar pulsos de excitacao para um codificador de predicao linear
JP2940005B2 (ja) * 1989-07-20 1999-08-25 日本電気株式会社 音声符号化装置
US5673364A (en) * 1993-12-01 1997-09-30 The Dsp Group Ltd. System and method for compression and decompression of audio signals
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
US5963897A (en) * 1998-02-27 1999-10-05 Lernout & Hauspie Speech Products N.V. Apparatus and method for hybrid excited linear prediction speech encoding
JP4460165B2 (ja) * 1998-09-11 2010-05-12 モトローラ・インコーポレイテッド 情報信号を符号化する方法および装置
EP2009623A1 (fr) * 2007-06-27 2008-12-31 Nokia Siemens Networks Oy Codage de la parole
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
GB2596821A (en) 2020-07-07 2022-01-12 Validsoft Ltd Computer-generated speech detection
US12254895B2 (en) 2021-07-02 2025-03-18 Digital Voice Systems, Inc. Detecting and compensating for the presence of a speaker mask in a speech signal
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133976A (en) * 1978-04-07 1979-01-09 Bell Telephone Laboratories, Incorporated Predictive speech signal coding with reduced noise effects
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder
US4720861A (en) * 1985-12-24 1988-01-19 Itt Defense Communications A Division Of Itt Corporation Digital speech coding circuit

Also Published As

Publication number Publication date
EP0195441B1 (fr) 1990-04-25
EP0195441A1 (fr) 1986-09-24
DE3670712D1 (de) 1990-05-31
CA1241117A (fr) 1988-08-23
FR2579356A1 (fr) 1986-09-26
DK126986D0 (da) 1986-03-19
FR2579356B1 (fr) 1987-05-07
US4847905A (en) 1989-07-11

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment