DE3876742D1 - Verfahren und einrichtung zur digitalen sprachuebertragung zwischen beweglichen stationen. - Google Patents

Verfahren und einrichtung zur digitalen sprachuebertragung zwischen beweglichen stationen.

Info

Publication number
DE3876742D1
DE3876742D1 DE8888402484T DE3876742T DE3876742D1 DE 3876742 D1 DE3876742 D1 DE 3876742D1 DE 8888402484 T DE8888402484 T DE 8888402484T DE 3876742 T DE3876742 T DE 3876742T DE 3876742 D1 DE3876742 D1 DE 3876742D1
Authority
DE
Germany
Prior art keywords
digital voice
voice transfer
moving stations
stations
moving
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
DE8888402484T
Other languages
English (en)
Other versions
DE3876742T3 (de
DE3876742T2 (de
Inventor
Alain Tassy
Isabelle Lecomte
Michel Lever
Laurent Lelievre
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9355484&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3876742(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Matra Communication SA filed Critical Matra Communication SA
Publication of DE3876742D1 publication Critical patent/DE3876742D1/de
Application granted granted Critical
Publication of DE3876742T2 publication Critical patent/DE3876742T2/de
Publication of DE3876742T3 publication Critical patent/DE3876742T3/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE3876742T 1987-10-02 1988-09-30 Verfahren und Einrichtung zur digitalen Sprachübertragung zwischen beweglichen Stationen. Expired - Fee Related DE3876742T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8713669A FR2621436B1 (fr) 1987-10-02 1987-10-02 Procede et installation de transmission numerique de parole entre mobiles

Publications (3)

Publication Number Publication Date
DE3876742D1 true DE3876742D1 (de) 1993-01-28
DE3876742T2 DE3876742T2 (de) 1993-04-22
DE3876742T3 DE3876742T3 (de) 1997-11-27

Family

ID=9355484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3876742T Expired - Fee Related DE3876742T3 (de) 1987-10-02 1988-09-30 Verfahren und Einrichtung zur digitalen Sprachübertragung zwischen beweglichen Stationen.

Country Status (3)

Country Link
EP (1) EP0311494B2 (de)
DE (1) DE3876742T3 (de)
FR (1) FR2621436B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW224191B (de) * 1992-01-28 1994-05-21 Qualcomm Inc
US5727004A (en) * 1995-03-14 1998-03-10 Adaptive Networks, Inc. Method and apparatus for data encoding and communication over noisy media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59153346A (ja) * 1983-02-21 1984-09-01 Nec Corp 音声符号化・復号化装置

Also Published As

Publication number Publication date
DE3876742T3 (de) 1997-11-27
FR2621436B1 (fr) 1990-01-19
EP0311494B1 (de) 1992-12-16
EP0311494A1 (de) 1989-04-12
EP0311494B2 (de) 1997-03-26
FR2621436A1 (fr) 1989-04-07
DE3876742T2 (de) 1993-04-22

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

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

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