BE790277A - SPEECH DETECTOR FOR TELEPHONE TRACK CONCENTRATOR - Google Patents

SPEECH DETECTOR FOR TELEPHONE TRACK CONCENTRATOR

Info

Publication number
BE790277A
BE790277A BE790277DA BE790277A BE 790277 A BE790277 A BE 790277A BE 790277D A BE790277D A BE 790277DA BE 790277 A BE790277 A BE 790277A
Authority
BE
Belgium
Prior art keywords
concentrator
speech detector
telephone
track
telephone track
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Cit Alcatel
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.)
Publication date
Publication of BE790277A publication Critical patent/BE790277A/en

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)
BE790277D 1971-10-29 SPEECH DETECTOR FOR TELEPHONE TRACK CONCENTRATOR BE790277A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE790277A true BE790277A (en) 1973-04-19

Family

ID=9085111

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790277D BE790277A (en) 1971-10-29 SPEECH DETECTOR FOR TELEPHONE TRACK CONCENTRATOR

Country Status (8)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485839B1 (en) * 1980-06-27 1985-09-06 Cit Alcatel SPEECH DETECTION METHOD IN TELEPHONE CIRCUIT SIGNAL AND SPEECH DETECTOR IMPLEMENTING SAME
AR241336A1 (en) * 1987-09-30 1992-05-29 Siemens Ag Procedure for determining the frequency of a sampled symmetrical signal

Family Cites Families (2)

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

Also Published As

Publication number Publication date
CA999072A (en) 1976-10-26
NL162532B (en) 1979-12-17
GB1409917A (en) 1975-10-15
SE386792B (en) 1976-08-16
DE2252816A1 (en) 1973-05-03
NL7214648A (en) 1973-05-02
FR2158720A5 (en) 1973-06-15
LU66340A1 (en) 1973-05-03
NL162532C (en) 1980-05-16
IT970055B (en) 1974-04-10
DE2252816B2 (en) 1976-01-29

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19921019