GB2075312B - Speech detector circuit for a tasi system - Google Patents

Speech detector circuit for a tasi system

Info

Publication number
GB2075312B
GB2075312B GB8107929A GB8107929A GB2075312B GB 2075312 B GB2075312 B GB 2075312B GB 8107929 A GB8107929 A GB 8107929A GB 8107929 A GB8107929 A GB 8107929A GB 2075312 B GB2075312 B GB 2075312B
Authority
GB
United Kingdom
Prior art keywords
detector circuit
speech detector
tasi system
tasi
speech
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
GB8107929A
Other languages
English (en)
Other versions
GB2075312A (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.)
Storage Technology Corp
Original Assignee
Storage Technology Corp
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 claimed from US06/131,159 external-priority patent/US4365112A/en
Application filed by Storage Technology Corp filed Critical Storage Technology Corp
Publication of GB2075312A publication Critical patent/GB2075312A/en
Application granted granted Critical
Publication of GB2075312B publication Critical patent/GB2075312B/en
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)
  • Interface Circuits In Exchanges (AREA)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
GB8107929A 1980-03-17 1981-03-13 Speech detector circuit for a tasi system Expired GB2075312B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/131,159 US4365112A (en) 1980-03-17 1980-03-17 Speech detector circuit for a TASI system
US06/237,758 US4352957A (en) 1980-03-17 1981-03-04 Speech detector circuit with associated gain control for a tasi system

Publications (2)

Publication Number Publication Date
GB2075312A GB2075312A (en) 1981-11-11
GB2075312B true GB2075312B (en) 1984-06-13

Family

ID=26829197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8107929A Expired GB2075312B (en) 1980-03-17 1981-03-13 Speech detector circuit for a tasi system

Country Status (13)

Country Link
US (1) US4352957A (enExample)
AU (1) AU541271B2 (enExample)
BR (1) BR8101540A (enExample)
CA (1) CA1159971A (enExample)
CH (1) CH654962A5 (enExample)
DE (1) DE3110275A1 (enExample)
FR (1) FR2482348A1 (enExample)
GB (1) GB2075312B (enExample)
IL (1) IL62393A (enExample)
IT (1) IT1137435B (enExample)
MX (1) MX151600A (enExample)
NL (1) NL8101258A (enExample)
SE (1) SE8101697L (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8613327D0 (en) * 1986-06-02 1986-07-09 British Telecomm Speech processor
IL89461A (en) * 1989-03-02 1994-06-24 Eci Telecom Limited Facsimile telecommunication compression system
DE3943881B4 (de) * 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
US5016247A (en) * 1989-08-07 1991-05-14 Ibm Corporation Multihop time assigned speech interpolation (TASI) system for telecommunication networks
US5465317A (en) * 1993-05-18 1995-11-07 International Business Machines Corporation Speech recognition system with improved rejection of words and sounds not in the system vocabulary
US5735884A (en) * 1994-10-04 1998-04-07 Medtronic, Inc. Filtered feedthrough assembly for implantable medical device
US5812969A (en) * 1995-04-06 1998-09-22 Adaptec, Inc. Process for balancing the loudness of digitally sampled audio waveforms
US8367460B2 (en) 2010-06-22 2013-02-05 Micron Technology, Inc. Horizontally oriented and vertically stacked memory cells
US11983498B2 (en) * 2021-03-18 2024-05-14 Augmented Intelligence Technologies, Inc. System and methods for language processing of document sequences using a neural network

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1287643B (enExample) 1966-09-17 1969-01-23
US3520999A (en) * 1967-03-27 1970-07-21 Bell Telephone Labor Inc Digital speech detection system
US3504352A (en) * 1968-05-24 1970-03-31 Sanders Associates Inc Time compression system
US3649766A (en) * 1969-12-01 1972-03-14 Bell Telephone Labor Inc Digital speech detection system
US3706091A (en) * 1970-09-02 1972-12-12 Bell Telephone Labor Inc Digital threshold detector
FR2157143A5 (enExample) * 1971-10-19 1973-06-01 Queffeulou Jean Yves
US3832491A (en) 1973-02-13 1974-08-27 Communications Satellite Corp Digital voice switch with an adaptive digitally-controlled threshold
US3832493A (en) * 1973-06-18 1974-08-27 Itt Digital speech detector
US3882458A (en) * 1974-03-27 1975-05-06 Gen Electric Voice operated switch including apparatus for establishing a variable threshold noise level
US3936611A (en) * 1974-09-04 1976-02-03 Gte Sylvania Incorporated Time compression scanner
US4008375A (en) * 1975-08-21 1977-02-15 Communications Satellite Corporation (Comsat) Digital voice switch for single or multiple channel applications
US4052568A (en) * 1976-04-23 1977-10-04 Communications Satellite Corporation Digital voice switch
US4028496A (en) * 1976-08-17 1977-06-07 Bell Telephone Laboratories, Incorporated Digital speech detector
US4301333A (en) * 1977-09-30 1981-11-17 Mcdonnell Douglas Corporation Speech compression
US4303803A (en) * 1978-08-31 1981-12-01 Kokusai Denshin Denwa Co., Ltd. Digital speech interpolation system
US4314100A (en) * 1980-01-24 1982-02-02 Storage Technology Corporation Data detection circuit for a TASI system

Also Published As

Publication number Publication date
AU6839381A (en) 1981-09-24
CA1159971A (en) 1984-01-03
US4352957A (en) 1982-10-05
GB2075312A (en) 1981-11-11
IT1137435B (it) 1986-09-10
MX151600A (es) 1985-01-04
IL62393A (en) 1984-03-30
SE8101697L (sv) 1981-09-18
BR8101540A (pt) 1981-09-22
IL62393A0 (en) 1981-05-20
FR2482348A1 (fr) 1981-11-13
AU541271B2 (en) 1985-01-03
NL8101258A (nl) 1981-10-16
DE3110275A1 (de) 1982-05-19
CH654962A5 (de) 1986-03-14
IT8120386A0 (it) 1981-03-17
FR2482348B1 (enExample) 1984-12-28

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee