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FR1301696A - Appareil de codage d'information relative à la hauteur du son dans un système codeur vocal - Google Patents

Appareil de codage d'information relative à la hauteur du son dans un système codeur vocal

Info

Publication number
FR1301696A
FR1301696A FR874127A FR874127A FR1301696A FR 1301696 A FR1301696 A FR 1301696A FR 874127 A FR874127 A FR 874127A FR 874127 A FR874127 A FR 874127A FR 1301696 A FR1301696 A FR 1301696A
Authority
FR
France
Prior art keywords
pulse
pitch
gate
counter
frame
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
FR874127A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1301696A publication Critical patent/FR1301696A/fr
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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR874127A 1960-10-06 1961-09-25 Appareil de codage d'information relative à la hauteur du son dans un système codeur vocal Expired FR1301696A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61011A US3109142A (en) 1960-10-06 1960-10-06 Apparatus for encoding pitch information in a vocoder system

Publications (1)

Publication Number Publication Date
FR1301696A true FR1301696A (fr) 1962-08-17

Family

ID=22033081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874127A Expired FR1301696A (fr) 1960-10-06 1961-09-25 Appareil de codage d'information relative à la hauteur du son dans un système codeur vocal

Country Status (6)

Country Link
US (1) US3109142A (fr)
BE (1) BE608863A (fr)
DE (1) DE1146924B (fr)
FR (1) FR1301696A (fr)
GB (1) GB996285A (fr)
NL (1) NL269708A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE650607A (fr) * 1963-07-29 1965-01-18
FR1415553A (fr) * 1964-05-26 1965-10-29 Ibm France Perfectionnements aux systèmes d'analyse de la voix
US3420955A (en) * 1965-11-19 1969-01-07 Bell Telephone Labor Inc Automatic peak selector
US3471648A (en) * 1966-07-28 1969-10-07 Bell Telephone Labor Inc Vocoder utilizing companding to reduce background noise caused by quantizing errors
FR1602217A (fr) * 1968-12-16 1970-10-26
FR2206889A5 (fr) * 1972-11-16 1974-06-07 Rhone Poulenc Sa

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850574A (en) * 1955-11-02 1958-09-02 Bell Telephone Labor Inc Apparatus for compression of television bandwidth
US2949505A (en) * 1957-08-14 1960-08-16 Bell Telephone Labor Inc Reduced bandwith transmission system
NL239229A (fr) * 1958-05-21

Also Published As

Publication number Publication date
DE1146924B (de) 1963-04-11
GB996285A (en) 1965-06-23
BE608863A (fr) 1962-02-01
NL269708A (nl) 1964-06-25
US3109142A (en) 1963-10-29

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