DK56282A - Digitalt udstyr til at skelne mellem digitaliserede tale og datasignaler - Google Patents

Digitalt udstyr til at skelne mellem digitaliserede tale og datasignaler

Info

Publication number
DK56282A
DK56282A DK56282A DK56282A DK56282A DK 56282 A DK56282 A DK 56282A DK 56282 A DK56282 A DK 56282A DK 56282 A DK56282 A DK 56282A DK 56282 A DK56282 A DK 56282A
Authority
DK
Denmark
Prior art keywords
difference
data signals
digital equipment
digitalized speech
digitalized
Prior art date
Application number
DK56282A
Other languages
Danish (da)
English (en)
Inventor
P Castellino
F Rusina
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of DK56282A publication Critical patent/DK56282A/da

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0614—Non-recursive filters using Delta-modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
DK56282A 1981-02-24 1982-02-10 Digitalt udstyr til at skelne mellem digitaliserede tale og datasignaler DK56282A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67251/81A IT1144551B (it) 1981-02-24 1981-02-24 Dispositivo numerico per la discriminazione di segnali vocali e segnali dati entrambi numerizzati

Publications (1)

Publication Number Publication Date
DK56282A true DK56282A (da) 1982-08-25

Family

ID=11300846

Family Applications (1)

Application Number Title Priority Date Filing Date
DK56282A DK56282A (da) 1981-02-24 1982-02-10 Digitalt udstyr til at skelne mellem digitaliserede tale og datasignaler

Country Status (12)

Country Link
US (1) US4457013A (it)
EP (1) EP0058982B1 (it)
JP (1) JPS57155854A (it)
BR (1) BR8200803A (it)
CA (1) CA1163686A (it)
DE (2) DE3261659D1 (it)
DK (1) DK56282A (it)
ES (1) ES8303856A1 (it)
IN (1) IN152773B (it)
IT (1) IT1144551B (it)
MX (1) MX151046A (it)
NO (1) NO152530C (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270212D1 (en) * 1982-04-30 1986-05-07 Ibm Digital coding method and device for carrying out the method
US4771425A (en) * 1984-10-29 1988-09-13 Stratacom, Inc. Synchoronous packet voice/data communication system
US4903261A (en) * 1984-10-29 1990-02-20 Stratacom, Inc. Synchronous packet voice/data communication system
US4912765A (en) * 1988-09-28 1990-03-27 Communications Satellite Corporation Voice band data rate detector
FR2643523A1 (fr) * 1989-02-22 1990-08-24 Applic Electro Tech Avance Discriminateur pour transmissions numeriques
US5105464A (en) * 1989-05-18 1992-04-14 General Electric Company Means for improving the speech quality in multi-pulse excited linear predictive coding
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
CA1290868C (en) * 1989-09-28 1991-10-15 Maurizio Cecarelli Voice data discriminator
EP0435458B1 (en) * 1989-11-28 1995-02-01 Nec Corporation Speech/voiceband data discriminator
JPH04208742A (ja) * 1990-12-04 1992-07-30 Canon Inc 通話レベル調整装置
DE4243635C2 (de) * 1992-12-22 1994-10-06 Siemens Nixdorf Inf Syst Überwachung von Fernsprech-Datenverbindungen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708746A (en) * 1971-11-08 1973-01-02 Univ Iowa State Res Found Inc System for spectrum analysis including digital filter with variable sampling rate
FR2321219A1 (fr) * 1975-08-14 1977-03-11 Cit Alcatel Discriminateur de signaux vocaux et de signaux numeriques
JPS5523603A (en) * 1978-06-22 1980-02-20 Nec Corp Method and apparatus for coding and decoding of telephone signal
US4303803A (en) * 1978-08-31 1981-12-01 Kokusai Denshin Denwa Co., Ltd. Digital speech interpolation system

Also Published As

Publication number Publication date
IN152773B (it) 1984-03-31
NO152530B (no) 1985-07-01
IT8167251A0 (it) 1981-02-24
IT1144551B (it) 1986-10-29
ES509486A0 (es) 1983-02-01
BR8200803A (pt) 1982-12-21
EP0058982A1 (en) 1982-09-01
US4457013A (en) 1984-06-26
DE58982T1 (de) 1983-03-03
JPS57155854A (en) 1982-09-27
ES8303856A1 (es) 1983-02-01
EP0058982B1 (en) 1984-12-27
CA1163686A (en) 1984-03-13
NO820556L (no) 1982-08-25
DE3261659D1 (en) 1985-02-07
MX151046A (es) 1984-09-17
NO152530C (no) 1985-10-09

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment