DE3785573D1 - Verfahren und einrichtung zur digitalen uebertragung von sprachsignalen ueber einen funkkanal. - Google Patents

Verfahren und einrichtung zur digitalen uebertragung von sprachsignalen ueber einen funkkanal.

Info

Publication number
DE3785573D1
DE3785573D1 DE8787402854T DE3785573T DE3785573D1 DE 3785573 D1 DE3785573 D1 DE 3785573D1 DE 8787402854 T DE8787402854 T DE 8787402854T DE 3785573 T DE3785573 T DE 3785573T DE 3785573 D1 DE3785573 D1 DE 3785573D1
Authority
DE
Germany
Prior art keywords
radio channel
voice signals
signals over
digital transmission
digital
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
DE8787402854T
Other languages
English (en)
Other versions
DE3785573T2 (de
Inventor
Pierre-Andre Laurent
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
Publication of DE3785573D1 publication Critical patent/DE3785573D1/de
Application granted granted Critical
Publication of DE3785573T2 publication Critical patent/DE3785573T2/de
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
    • G10L19/04—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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE19873785573 1986-12-19 1987-12-15 Verfahren und einrichtung zur digitalen uebertragung von sprachsignalen ueber einen funkkanal. Expired - Lifetime DE3785573T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8617877A FR2608867B1 (fr) 1986-12-19 1986-12-19 Procede et dispositif de transmissions numeriques de signaux vocaux par voie radio

Publications (2)

Publication Number Publication Date
DE3785573D1 true DE3785573D1 (de) 1993-05-27
DE3785573T2 DE3785573T2 (de) 1993-07-29

Family

ID=9342112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873785573 Expired - Lifetime DE3785573T2 (de) 1986-12-19 1987-12-15 Verfahren und einrichtung zur digitalen uebertragung von sprachsignalen ueber einen funkkanal.

Country Status (3)

Country Link
EP (1) EP0275751B1 (de)
DE (1) DE3785573T2 (de)
FR (1) FR2608867B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02299324A (ja) * 1989-05-15 1990-12-11 Mitsubishi Electric Corp 音声符号化装置
DE4126882A1 (de) * 1991-08-14 1993-02-18 Philips Patentverwaltung Anordnung zur sprachuebertragung
SE501340C2 (sv) * 1993-06-11 1995-01-23 Ericsson Telefon Ab L M Döljande av transmissionsfel i en talavkodare
JP3394119B2 (ja) * 1995-10-17 2003-04-07 沖電気工業株式会社 誤り訂正符号化装置、誤り訂正復号化装置及び通信システム
CN113677058B (zh) * 2021-08-26 2024-05-07 横店集团得邦照明股份有限公司 一种发光二极管照明产品调光控制装置及其实现方法

Also Published As

Publication number Publication date
DE3785573T2 (de) 1993-07-29
FR2608867A1 (fr) 1988-06-24
FR2608867B1 (fr) 1988-12-30
EP0275751A1 (de) 1988-07-27
EP0275751B1 (de) 1993-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted