FR2776447B1 - Codage source-canal conjoint en blocs - Google Patents

Codage source-canal conjoint en blocs

Info

Publication number
FR2776447B1
FR2776447B1 FR9803792A FR9803792A FR2776447B1 FR 2776447 B1 FR2776447 B1 FR 2776447B1 FR 9803792 A FR9803792 A FR 9803792A FR 9803792 A FR9803792 A FR 9803792A FR 2776447 B1 FR2776447 B1 FR 2776447B1
Authority
FR
France
Prior art keywords
blocks
channel encoding
joint source
joint
source
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
FR9803792A
Other languages
English (en)
Other versions
FR2776447A1 (fr
Inventor
Philippe Leclair
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.)
Comsis
Original Assignee
Comsis
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 Comsis filed Critical Comsis
Priority to FR9803792A priority Critical patent/FR2776447B1/fr
Publication of FR2776447A1 publication Critical patent/FR2776447A1/fr
Application granted granted Critical
Publication of FR2776447B1 publication Critical patent/FR2776447B1/fr
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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/183—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9803792A 1998-03-23 1998-03-23 Codage source-canal conjoint en blocs Expired - Fee Related FR2776447B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9803792A FR2776447B1 (fr) 1998-03-23 1998-03-23 Codage source-canal conjoint en blocs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9803792A FR2776447B1 (fr) 1998-03-23 1998-03-23 Codage source-canal conjoint en blocs

Publications (2)

Publication Number Publication Date
FR2776447A1 FR2776447A1 (fr) 1999-09-24
FR2776447B1 true FR2776447B1 (fr) 2000-05-12

Family

ID=9524558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9803792A Expired - Fee Related FR2776447B1 (fr) 1998-03-23 1998-03-23 Codage source-canal conjoint en blocs

Country Status (1)

Country Link
FR (1) FR2776447B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001022676A1 (fr) * 1999-09-21 2001-03-29 Comsis Codage source-canal conjoint en blocs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688483B1 (fr) * 1993-12-03 2001-04-04 Koninklijke Philips Electronics N.V. Systeme de communication numerique et recepteur associe
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
EP0773533B1 (fr) * 1995-11-09 2000-04-26 Nokia Mobile Phones Ltd. Méthode pour synthétiser un bloc de signaux de paroles dans un codeur CELP

Also Published As

Publication number Publication date
FR2776447A1 (fr) 1999-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse