FR2158720A5 - - Google Patents

Info

Publication number
FR2158720A5
FR2158720A5 FR7139022A FR7139022A FR2158720A5 FR 2158720 A5 FR2158720 A5 FR 2158720A5 FR 7139022 A FR7139022 A FR 7139022A FR 7139022 A FR7139022 A FR 7139022A FR 2158720 A5 FR2158720 A5 FR 2158720A5
Authority
FR
France
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
FR7139022A
Other languages
French (fr)
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT 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
Priority to BE790277D priority Critical patent/BE790277A/xx
Application filed by Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7139022A priority patent/FR2158720A5/fr
Priority to FR7203140A priority patent/FR2170334A6/fr
Priority to LU66340D priority patent/LU66340A1/xx
Priority to GB4964672A priority patent/GB1409917A/en
Priority to DE19722252816 priority patent/DE2252816C3/de
Priority to CA155,107A priority patent/CA999072A/fr
Priority to SE1391972A priority patent/SE386792B/xx
Priority to NL7214648A priority patent/NL162532C/xx
Priority to IT3109472A priority patent/IT970055B/it
Application granted granted Critical
Publication of FR2158720A5 publication Critical patent/FR2158720A5/fr
Priority to FR7342849A priority patent/FR2253320A2/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175—Speech activity or inactivity detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
FR7139022A 1971-10-29 1971-10-29 Expired FR2158720A5 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
BE790277D BE790277A (fr) 1971-10-29 Detecteur de parole pour concentrateur de voies telephoniques
FR7139022A FR2158720A5 (de) 1971-10-29 1971-10-29
FR7203140A FR2170334A6 (de) 1971-10-29 1972-01-31
LU66340D LU66340A1 (de) 1971-10-29 1972-10-23
GB4964672A GB1409917A (en) 1971-10-29 1972-10-27 Conversation detector for telephone systems
DE19722252816 DE2252816C3 (de) 1971-10-29 1972-10-27 Sprachdetektor für Fernsprechkanäle
CA155,107A CA999072A (fr) 1971-10-29 1972-10-27 Detecteur de parole pour concentrateur de voies telephoniques
SE1391972A SE386792B (sv) 1971-10-29 1972-10-27 Forfarande och anordning for detektering av talsignaler pa en telefonikanal i ett pcm-system
NL7214648A NL162532C (nl) 1971-10-29 1972-10-30 Inrichting voor het detecteren van de aanwezigheid van spraaksignalen in een telefoniekanaal.
IT3109472A IT970055B (it) 1971-10-29 1972-10-30 Rivelatore di parola per concen tratore di vie telefonich
FR7342849A FR2253320A2 (en) 1971-10-29 1973-11-30 Word detector for telephonic channels - replaces the change of polarity note Np by one or two partial notes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7139022A FR2158720A5 (de) 1971-10-29 1971-10-29

Publications (1)

Publication Number Publication Date
FR2158720A5 true FR2158720A5 (de) 1973-06-15

Family

ID=9085111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7139022A Expired FR2158720A5 (de) 1971-10-29 1971-10-29

Country Status (8)

Country Link
BE (1) BE790277A (de)
CA (1) CA999072A (de)
FR (1) FR2158720A5 (de)
GB (1) GB1409917A (de)
IT (1) IT970055B (de)
LU (1) LU66340A1 (de)
NL (1) NL162532C (de)
SE (1) SE386792B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485839A1 (fr) * 1980-06-27 1981-12-31 Cit Alcatel Procede de detection de parole dans un signal de circuit telephonique et detecteur de parole le mettant en oeuvre
EP0309921A1 (de) * 1987-09-30 1989-04-05 Siemens Aktiengesellschaft Verfahren zur Ermittlung der Frequenz eines abgetasteten symmetrischen Signals aus einer Vorzeicheninformation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273918A (fr) * 1960-09-05 1961-10-20 Détecteur de parole
US3238303A (en) * 1962-09-11 1966-03-01 Ibm Wave analyzing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273918A (fr) * 1960-09-05 1961-10-20 Détecteur de parole
US3238303A (en) * 1962-09-11 1966-03-01 Ibm Wave analyzing system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IRE NATIONAL CONVENTION RECORD, 18-21 mars 1957, part 8, pages 132-140, New York (USA); *
NACHRICHTENTECHNIK, vol. 20, no. 8, 1970, pages 285-288, Berlin (DE); *
PICTURE LANGUAGE MACHINES, Proceedings of a Conference held at the Australian National University on 24-28 février 1969, Edited by S.Kaneff, 1970, Academic Press, pages 291-318, Londres (GB); *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485839A1 (fr) * 1980-06-27 1981-12-31 Cit Alcatel Procede de detection de parole dans un signal de circuit telephonique et detecteur de parole le mettant en oeuvre
EP0043056A1 (de) * 1980-06-27 1982-01-06 COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A. dite: Verfahren zum Erkennen der Sprache in einem Signal eines telephonischen Sprechkreises und Sprachdetektor dafür
EP0309921A1 (de) * 1987-09-30 1989-04-05 Siemens Aktiengesellschaft Verfahren zur Ermittlung der Frequenz eines abgetasteten symmetrischen Signals aus einer Vorzeicheninformation

Also Published As

Publication number Publication date
DE2252816B2 (de) 1976-01-29
LU66340A1 (de) 1973-05-03
DE2252816A1 (de) 1973-05-03
CA999072A (fr) 1976-10-26
BE790277A (fr) 1973-04-19
GB1409917A (en) 1975-10-15
NL7214648A (de) 1973-05-02
NL162532B (nl) 1979-12-17
IT970055B (it) 1974-04-10
NL162532C (nl) 1980-05-16
SE386792B (sv) 1976-08-16

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