CA1290868C - Discrimination de donnees vocales - Google Patents

Discrimination de donnees vocales

Info

Publication number: CA1290868C
Authority: CA; Canada
Prior art keywords: voice; data; nature; samples; signal
Prior art date: 1989-09-28
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 - Fee Related

Application number

CA 613952

Other languages

English (en)

Inventor

Maurizio Cecarelli

Robert S.K. Chiu

Robert W. Colbourn

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.)

UNITEL COMMUNICATIONS Inc

Original Assignee

UNITEL COMMUNICATIONS 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.)

1989-09-28

Filing date

1989-09-28

Publication date

1991-10-15

1989-09-28 Application filed by UNITEL COMMUNICATIONS INC. filed Critical UNITEL COMMUNICATIONS INC.

1989-09-28 Priority to CA 613952 priority Critical patent/CA1290868C/fr

1990-09-27 Priority to AU64120/90A priority patent/AU6412090A/en

1990-09-27 Priority to PCT/CA1990/000323 priority patent/WO1991005431A1/fr

1991-10-15 Application granted granted Critical

1991-10-15 Publication of CA1290868C publication Critical patent/CA1290868C/fr

2009-09-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 claims description 6
230000004044 response Effects 0.000 claims description 4
230000002401 inhibitory effect Effects 0.000 claims 5
238000005070 sampling Methods 0.000 claims 1
238000004891 communication Methods 0.000 abstract description 6
230000005540 biological transmission Effects 0.000 description 9
238000010586 diagram Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
238000012790 confirmation Methods 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000006870 function Effects 0.000 description 1
XLNZEKHULJKQBA-UHFFFAOYSA-N terbufos Chemical compound CCOP(=S)(OCC)SCSC(C)(C)C XLNZEKHULJKQBA-UHFFFAOYSA-N 0.000 description 1

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)
Telephonic Communication Services (AREA)

CA 613952 1989-09-28 1989-09-28 Discrimination de donnees vocales Expired - Fee Related CA1290868C (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
CA 613952 CA1290868C (fr)	1989-09-28	1989-09-28	Discrimination de donnees vocales
AU64120/90A AU6412090A (en)	1989-09-28	1990-09-27	Voice data discriminator
PCT/CA1990/000323 WO1991005431A1 (fr)	1989-09-28	1990-09-27	Discriminateur voix/donnees (vdd)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 613952 CA1290868C (fr)	1989-09-28	1989-09-28	Discrimination de donnees vocales

Publications (1)

Publication Number	Publication Date
CA1290868C true CA1290868C (fr)	1991-10-15

Family

ID=4140749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 613952 Expired - Fee Related CA1290868C (fr)	1989-09-28	1989-09-28	Discrimination de donnees vocales

Country Status (3)

Country	Link
AU (1)	AU6412090A (fr)
CA (1)	CA1290868C (fr)
WO (1)	WO1991005431A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3851112A (en) *	1973-04-26	1974-11-26	Gte Automatic Electric Lab Inc	Data detector with voice signal discrimination
US4314100A (en) *	1980-01-24	1982-02-02	Storage Technology Corporation	Data detection circuit for a TASI system
JPS5723356A (en) *	1980-07-02	1982-02-06	Hitachi Ltd	Sound signal converter
IT1144551B (it) *	1981-02-24	1986-10-29	Cselt Centro Studi Lab Telecom	Dispositivo numerico per la discriminazione di segnali vocali e segnali dati entrambi numerizzati
GB2139052A (en) *	1983-04-20	1984-10-31	Philips Electronic Associated	Apparatus for distinguishing between speech and certain other signals
DE3370423D1 (en) *	1983-06-07	1987-04-23	Ibm	Process for activity detection in a voice transmission system

1989
- 1989-09-28 CA CA 613952 patent/CA1290868C/fr not_active Expired - Fee Related
1990
- 1990-09-27 AU AU64120/90A patent/AU6412090A/en not_active Abandoned
- 1990-09-27 WO PCT/CA1990/000323 patent/WO1991005431A1/fr not_active Ceased

Also Published As

Publication number	Publication date
AU6412090A (en)	1991-04-28
WO1991005431A1 (fr)	1991-04-18

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Legal Events

Date	Code	Title	Description
2006-10-16	MKLA	Lapsed