DE1962759B2 - Kanalvocoder zur sprachsignaluebertragung - Google Patents

Kanalvocoder zur sprachsignaluebertragung

Info

Publication number
DE1962759B2
DE1962759B2 DE19691962759 DE1962759A DE1962759B2 DE 1962759 B2 DE1962759 B2 DE 1962759B2 DE 19691962759 DE19691962759 DE 19691962759 DE 1962759 A DE1962759 A DE 1962759A DE 1962759 B2 DE1962759 B2 DE 1962759B2
Authority
DE
Germany
Prior art keywords
signal transmission
voice signal
channel vocoder
vocoder
channel
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.)
Pending
Application number
DE19691962759
Other languages
English (en)
Other versions
DE1962759A1 (de
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 filed Critical
Publication of DE1962759A1 publication Critical patent/DE1962759A1/de
Publication of DE1962759B2 publication Critical patent/DE1962759B2/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/667—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 using a division in frequency subbands
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE19691962759 1968-12-16 1969-12-15 Kanalvocoder zur sprachsignaluebertragung Pending DE1962759B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR178469 1968-12-16

Publications (2)

Publication Number Publication Date
DE1962759A1 DE1962759A1 (de) 1970-06-18
DE1962759B2 true DE1962759B2 (de) 1971-05-13

Family

ID=8658406

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691962759 Pending DE1962759B2 (de) 1968-12-16 1969-12-15 Kanalvocoder zur sprachsignaluebertragung

Country Status (6)

Country Link
US (1) US3622704A (de)
BE (1) BE743226A (de)
DE (1) DE1962759B2 (de)
FR (1) FR1602217A (de)
GB (1) GB1260735A (de)
NL (1) NL6918854A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206889A5 (de) * 1972-11-16 1974-06-07 Rhone Poulenc Sa
EP0070949B1 (de) * 1981-07-28 1986-05-07 International Business Machines Corporation Übertragungsverfahren für Sprache und digitale Daten und Ausführungsanordnung für das genannte Verfahren
FR2545966B1 (fr) * 1983-05-09 1986-02-21 Zurcher Jean Frederic Procede d'elaboration d'un signal d'excitation pour synthetiseur de parole a canaux ou a prediction lineaire et generateur de signal d'excitation pour un tel synthetiseur
DE19806927A1 (de) * 1998-02-19 1999-08-26 Abb Research Ltd Verfahren und Einrichtung zur Übertragung natürlicher Sprache
US7970606B2 (en) * 2002-11-13 2011-06-28 Digital Voice Systems, Inc. Interoperable vocoder
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US8359197B2 (en) 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124654A (en) * 1964-03-10 Transmitter
US2892892A (en) * 1955-10-07 1959-06-30 Bell Telephone Labor Inc Vocoder absorption modulation system
US3109142A (en) * 1960-10-06 1963-10-29 Bell Telephone Labor Inc Apparatus for encoding pitch information in a vocoder system

Also Published As

Publication number Publication date
FR1602217A (de) 1970-10-26
NL6918854A (de) 1970-06-18
DE1962759A1 (de) 1970-06-18
GB1260735A (en) 1972-01-19
BE743226A (de) 1970-05-28
US3622704A (en) 1971-11-23

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