ES2052043T3 - Procedimiento de codificacion y codificador de palabra con prediccion lineal. - Google Patents

Procedimiento de codificacion y codificador de palabra con prediccion lineal.

Info

Publication number
ES2052043T3
ES2052043T3 ES89401644T ES89401644T ES2052043T3 ES 2052043 T3 ES2052043 T3 ES 2052043T3 ES 89401644 T ES89401644 T ES 89401644T ES 89401644 T ES89401644 T ES 89401644T ES 2052043 T3 ES2052043 T3 ES 2052043T3
Authority
ES
Spain
Prior art keywords
filter
vectors
vector
voice signal
subtraction
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 - Lifetime
Application number
ES89401644T
Other languages
English (en)
Spanish (es)
Inventor
Michel Lever
Marc Delprat
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
Application granted granted Critical
Publication of ES2052043T3 publication Critical patent/ES2052043T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/113—Regular pulse excitation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0003—Backward prediction of gain
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances
    • 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
    • G10L25/06—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 correlation coefficients

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ES89401644T 1988-06-13 1989-06-13 Procedimiento de codificacion y codificador de palabra con prediccion lineal. Expired - Lifetime ES2052043T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8807846A FR2632758B1 (fr) 1988-06-13 1988-06-13 Procede de codage et codeur de parole a prediction lineaire

Publications (1)

Publication Number Publication Date
ES2052043T3 true ES2052043T3 (es) 1994-07-01

Family

ID=9367205

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89401644T Expired - Lifetime ES2052043T3 (es) 1988-06-13 1989-06-13 Procedimiento de codificacion y codificador de palabra con prediccion lineal.

Country Status (4)

Country Link
EP (1) EP0347307B1 (de)
DE (1) DE68915057T2 (de)
ES (1) ES2052043T3 (de)
FR (1) FR2632758B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0964393A1 (de) * 1990-12-21 1999-12-15 BRITISH TELECOMMUNICATIONS public limited company Sprachkodierung
ES2042410B1 (es) * 1992-04-15 1997-01-01 Control Sys S A Metodo de codificacion y codificador de voz para equipos y sistemas de comunicacion.
FR2720849B1 (fr) * 1994-06-03 1996-08-14 Matra Communication Procédé et dispositif de prétraitement d'un signal acoustique en amont d'un codeur de parole.
CN101615394B (zh) 2008-12-31 2011-02-16 华为技术有限公司 分配子帧的方法和装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1337217C (en) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Speech coding

Also Published As

Publication number Publication date
EP0347307A3 (en) 1990-12-27
FR2632758B1 (fr) 1991-06-07
FR2632758A1 (fr) 1989-12-15
DE68915057T2 (de) 1994-08-18
EP0347307A2 (de) 1989-12-20
DE68915057D1 (de) 1994-06-09
EP0347307B1 (de) 1994-05-04

Similar Documents

Publication Publication Date Title
RU2649288C2 (ru) Устройство и способ основанного на контексте арифметического кодирования и устройство и способ основанного на контексте арифметического декодирования
DE69125775D1 (de) Sprachkodierungs- und Dekodierungssystem
TR199501637A2 (tr) Bir ses sinyalini kodlamak icin yöntem.
US7747441B2 (en) Method and apparatus for speech decoding based on a parameter of the adaptive code vector
ATE80489T1 (de) Linearer praediktionsvocoder mit code-anregung.
FR2145501B1 (de)
NO933940D0 (no) Fremgangsmaate og anordning for koding av et inngangssignal ved bruk av en celp soekesloeyfe
EP4375992B1 (de) Verfahren zur quantisierung eines linearen prädiktiven koeffizienten
DE69129385D1 (de) Sprachkodiersystem
KR100517567B1 (ko) 신호식별장치,코드북절환장치,신호식별방법및코드북절환방법
Teacher et al. Experimental, limited vocabulary, speech recognizer
DE68915057D1 (de) Kodierungsverfahren und linearer Prädiktionssprachkodierer.
DE69131779D1 (de) Sprachcodierung
Bouzid et al. Voicing-based classified split vector quantizer for efficient coding of AMR-WB ISF parameters
Vasilache et al. Indexing and entropy coding of lattice codevectors
KR950015052A (ko) 문장변환장치 및 그 방법
Jiang et al. A 1.44 kbps Vocoder Based on LSP
Hollien et al. A METHOD FOR ANALYZING PHONEMIC ERRORS IN UNDERWATER SPEECH INTELLIGIBILITY TESTING.
Collier Fisiak (Jacek)," A Short Grammar of Middle English" Part I (Book Review)
JPS56162179A (en) Optical reading system of character
Leendertse Analysis of Critical Motions of a Floating Platform
GB891999A (en) Improvements in or relating to stringed musical instruments
Fazel et al. Switched lattice-based quantization of LSF parameters
JPS6469164A (en) Mr decoding device
Fay Correlation Loss of a Gaussian Signal Passed Through an Odd Quantizer.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 347307

Country of ref document: ES