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FR2615025B1 - DEVICE FOR TRANSCODING BETWEEN DIFFERENT BIT TRANSMISSION NETWORKS AND ITS USE IN A MULTI-BIT TRANSMISSION SYSTEM - Google Patents

DEVICE FOR TRANSCODING BETWEEN DIFFERENT BIT TRANSMISSION NETWORKS AND ITS USE IN A MULTI-BIT TRANSMISSION SYSTEM

Info

Publication number
FR2615025B1
FR2615025B1 FR8706250A FR8706250A FR2615025B1 FR 2615025 B1 FR2615025 B1 FR 2615025B1 FR 8706250 A FR8706250 A FR 8706250A FR 8706250 A FR8706250 A FR 8706250A FR 2615025 B1 FR2615025 B1 FR 2615025B1
Authority
FR
France
Prior art keywords
bit transmission
transcoding
transmission system
networks
different bit
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
Application number
FR8706250A
Other languages
French (fr)
Other versions
FR2615025A1 (en
Inventor
Alain Albarello
Philippe Sidin
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8706250A priority Critical patent/FR2615025B1/en
Priority to EP88401018A priority patent/EP0291377A1/en
Publication of FR2615025A1 publication Critical patent/FR2615025A1/en
Application granted granted Critical
Publication of FR2615025B1 publication Critical patent/FR2615025B1/en
Expired 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR8706250A 1987-05-04 1987-05-04 DEVICE FOR TRANSCODING BETWEEN DIFFERENT BIT TRANSMISSION NETWORKS AND ITS USE IN A MULTI-BIT TRANSMISSION SYSTEM Expired FR2615025B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8706250A FR2615025B1 (en) 1987-05-04 1987-05-04 DEVICE FOR TRANSCODING BETWEEN DIFFERENT BIT TRANSMISSION NETWORKS AND ITS USE IN A MULTI-BIT TRANSMISSION SYSTEM
EP88401018A EP0291377A1 (en) 1987-05-04 1988-04-26 Conversion apparatus for transmission networks using different bit rates, and its use in a multirate transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8706250A FR2615025B1 (en) 1987-05-04 1987-05-04 DEVICE FOR TRANSCODING BETWEEN DIFFERENT BIT TRANSMISSION NETWORKS AND ITS USE IN A MULTI-BIT TRANSMISSION SYSTEM

Publications (2)

Publication Number Publication Date
FR2615025A1 FR2615025A1 (en) 1988-11-10
FR2615025B1 true FR2615025B1 (en) 1989-12-22

Family

ID=9350737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8706250A Expired FR2615025B1 (en) 1987-05-04 1987-05-04 DEVICE FOR TRANSCODING BETWEEN DIFFERENT BIT TRANSMISSION NETWORKS AND ITS USE IN A MULTI-BIT TRANSMISSION SYSTEM

Country Status (2)

Country Link
EP (1) EP0291377A1 (en)
FR (1) FR2615025B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU725711B2 (en) * 1994-02-16 2000-10-19 Qualcomm Incorporated Block normalisation processor
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3335419A1 (en) * 1983-09-29 1985-04-18 Siemens AG, 1000 Berlin und 8000 München CONVERTER FOR ADAPTING INTERFACES BETWEEN LPC AND CHANNEL VOCODERS FOR TRANSMITTING DIGITIZED VOICE SIGNALS VIA DIGITAL NARROW BAND COMMUNICATION SYSTEMS

Also Published As

Publication number Publication date
EP0291377A1 (en) 1988-11-17
FR2615025A1 (en) 1988-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse