DE68915057D1 - Kodierungsverfahren und linearer Prädiktionssprachkodierer. - Google Patents

Kodierungsverfahren und linearer Prädiktionssprachkodierer.

Info

Publication number
DE68915057D1
DE68915057D1 DE68915057T DE68915057T DE68915057D1 DE 68915057 D1 DE68915057 D1 DE 68915057D1 DE 68915057 T DE68915057 T DE 68915057T DE 68915057 T DE68915057 T DE 68915057T DE 68915057 D1 DE68915057 D1 DE 68915057D1
Authority
DE
Germany
Prior art keywords
filtering
frame
vector
vectors
speech signal
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
DE68915057T
Other languages
English (en)
Other versions
DE68915057T2 (de
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.)
EADS Defence and Security Networks 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
Publication of DE68915057D1 publication Critical patent/DE68915057D1/de
Application granted granted Critical
Publication of DE68915057T2 publication Critical patent/DE68915057T2/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
    • G10L19/005—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)
DE68915057T 1988-06-13 1989-06-13 Kodierungsverfahren und linearer Prädiktionssprachkodierer. Expired - Fee Related DE68915057T2 (de)

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 (2)

Publication Number Publication Date
DE68915057D1 true DE68915057D1 (de) 1994-06-09
DE68915057T2 DE68915057T2 (de) 1994-08-18

Family

ID=9367205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915057T Expired - Fee Related DE68915057T2 (de) 1988-06-13 1989-06-13 Kodierungsverfahren und linearer Prädiktionssprachkodierer.

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
GB2266822B (en) * 1990-12-21 1995-05-10 British Telecomm Speech coding
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
EP0347307B1 (de) 1994-05-04
FR2632758B1 (fr) 1991-06-07
DE68915057T2 (de) 1994-08-18
EP0347307A2 (de) 1989-12-20
ES2052043T3 (es) 1994-07-01
EP0347307A3 (en) 1990-12-27
FR2632758A1 (fr) 1989-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MATRA NORTEL COMMUNICATIONS S.P.A.S., QUIMPER, FR

8327 Change in the person/name/address of the patent owner

Owner name: EADS DEFENCE AND SECURITY NETWORKS, MONTIGNY LE BR

8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, BOCKHORNI, SCHUMACHER, 81476 MUENCHEN

8339 Ceased/non-payment of the annual fee