GB1260735A - Vocoder speech transmission system - Google Patents

Vocoder speech transmission system

Info

Publication number
GB1260735A
GB1260735A GB61046/69A GB6104669A GB1260735A GB 1260735 A GB1260735 A GB 1260735A GB 61046/69 A GB61046/69 A GB 61046/69A GB 6104669 A GB6104669 A GB 6104669A GB 1260735 A GB1260735 A GB 1260735A
Authority
GB
United Kingdom
Prior art keywords
pitch
speech
pulses
period
counter
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
GB61046/69A
Other languages
English (en)
Inventor
Gilbert Ferrieu
Jean-Michel Person
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1260735A publication Critical patent/GB1260735A/en
Expired 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)
GB61046/69A 1968-12-16 1969-12-15 Vocoder speech transmission system Expired GB1260735A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1260735A true GB1260735A (en) 1972-01-19

Family

ID=8658406

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61046/69A Expired GB1260735A (en) 1968-12-16 1969-12-15 Vocoder speech transmission system

Country Status (6)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206889A5 (enrdf_load_stackoverflow) * 1972-11-16 1974-06-07 Rhone Poulenc Sa
EP0070949B1 (fr) * 1981-07-28 1986-05-07 International Business Machines Corporation Procédé de transmission voix et données numériques et dispositif de mise en oeuvre dudit procédé
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
US12254895B2 (en) 2021-07-02 2025-03-18 Digital Voice Systems, Inc. Detecting and compensating for the presence of a speaker mask in a speech signal
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
DE1962759A1 (de) 1970-06-18
FR1602217A (enrdf_load_stackoverflow) 1970-10-26
US3622704A (en) 1971-11-23
DE1962759B2 (de) 1971-05-13
BE743226A (enrdf_load_stackoverflow) 1970-05-28
NL6918854A (enrdf_load_stackoverflow) 1970-06-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee