Speech activity or inactivity detectors

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CPC
H04J3/175

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Parent Industries

HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J3/00Time-division multiplex systems

Current Industry

H04J3/175Speech activity or inactivity detectors

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Patents Grantslast 30 patents

Information Patent Grant
System and method for detecting and managing fraud
- Patent number 9,390,418
- Issue date Jul 12, 2016
- Verizon Patent and Licensing Inc.
- John Gavan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for detecting and managing fraud
- Patent number 7,433,855
- Issue date Oct 7, 2008
- MCI Communications Corporation
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for efficiently passing the silence or unused sta...
- Patent number 7,161,959
- Issue date Jan 9, 2007
- MCI, LLC
- Forrest L Pierson, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method and computer program product for processing event re...
- Patent number 7,117,191
- Issue date Oct 3, 2006
- MCI, Inc.
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System, method and computer program product for processing event re...
- Patent number 6,732,082
- Issue date May 4, 2004
- WorldCom, Inc.
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for efficiently passing the silence or unused sta...
- Patent number 6,621,833
- Issue date Sep 16, 2003
- World Com, Inc.
- Forrest L. Pierson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus supporting TDD/TTY modulation over vocoded cha...
- Patent number 6,622,275
- Issue date Sep 16, 2003
- Qualcomm, Incorporated
- Nikolai K. N. Leung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for integrating voice and data on a single RF cha...
- Patent number 6,611,536
- Issue date Aug 26, 2003
- International Business Machines Corporation
- Nadeem Ahmed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for detecting and managing fraud
- Patent number 6,601,048
- Issue date Jul 29, 2003
- MCI Communications Corporation
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Emulating circuit-switched communications in a packet-switched envi...
- Patent number 6,577,620
- Issue date Jun 10, 2003
- Telefonaktiebolaget LM Ericsson (publ)
- Peter Galyas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for prevention of cell loss due to quality of ser...
- Patent number 6,490,252
- Issue date Dec 3, 2002
- Siemens Information and Communication Networks, Inc.
- Richard J. Riggan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice operated switch for use in high noise environments
- Patent number 6,141,426
- Issue date Oct 31, 2000
- Northrop Grumman Corporation
- Laura Lynn Stobba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Efficient transmission of voice silence intervals
- Patent number 5,897,613
- Issue date Apr 27, 1999
- Lucent Technologies Inc.
- Norman C. Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for prevention of cell loss due to quality of ser...
- Patent number 5,898,673
- Issue date Apr 27, 1999
- Siemens Information and Communication Networks, Inc.
- Richard J. Riggan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process and device for creating comfort noise in a digital speech t...
- Patent number 5,812,965
- Issue date Sep 22, 1998
- France Telecom
- Dominique Massaloux
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Modular analyzer of digital signal traffic
- Patent number 5,304,990
- Issue date Apr 19, 1994
- France Telecom
- Jean-Claude Rebourg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for detecting voice presence on a communication line
- Patent number 5,255,340
- Issue date Oct 19, 1993
- International Business Machines Corporation
- Charles Arnaud
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital speech interpolation system and speech detector
- Patent number 4,897,832
- Issue date Jan 30, 1990
- Oki Electric Industry Co., Ltd.
- Takao Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice activity detection process and means for implementing said pr...
- Patent number 4,672,669
- Issue date Jun 9, 1987
- International Business Machines Corp.
- Andre DesBlache
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for evaluating noise level on a telephone channel
- Patent number 4,552,996
- Issue date Nov 12, 1985
- Compagnie Industrielle des Telecommunications
- Guy de Bergh
- G01 - MEASURING TESTING
Information Patent Grant
Multiplexed data stream monitor
- Patent number 4,528,660
- Issue date Jul 9, 1985
- The United States of America as represented by the Secretary of the Air Force
- James F. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital speech/data discriminator for transcoding unit
- Patent number 4,457,013
- Issue date Jun 26, 1984
- CSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A.
- Paolo Castellino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of detecting the presence of speech in a telephone signal an...
- Patent number 4,426,730
- Issue date Jan 17, 1984
- Societe Anonyme dite: Compagnie Industrielle des Telecommunications Cit-Alcatel
- Dominique Lajotte
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal stretcher for envelope generator
- Patent number 4,382,164
- Issue date May 3, 1983
- Bell Telephone Laboratories, Incorporated
- Carl J. May
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech detector circuit for a TASI system
- Patent number 4,365,112
- Issue date Dec 21, 1982
- Storage Technology Corporation
- Peter G. Ruether
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and apparatus for echo detection in voice channel signals
- Patent number 4,363,938
- Issue date Dec 14, 1982
- Northern Telecom Limited
- Fouad Daaboul
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and apparatus for detecting speech in a voice channel signal
- Patent number 4,357,491
- Issue date Nov 2, 1982
- Northern Telecom Limited
- Fouad Daaboul
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech detector circuit with associated gain control for a tasi system
- Patent number 4,352,957
- Issue date Oct 5, 1982
- Storage Technology Corporation
- Peter G. Ruether
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech detector with variable threshold
- Patent number 4,351,983
- Issue date Sep 28, 1982
- International Business Machines Corp.
- William G. Crouse
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech/silence discriminator for speech interpolation
- Patent number 4,331,837
- Issue date May 25, 1982
- Joel Soumagne
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR DETECTING AND MANAGING FRAUD
- Publication number 20090129573
- Publication date May 21, 2009
- MCI COMMUNICATIONS CORPORATION
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROCESSING EVENT RE...
- Publication number 20050075992
- Publication date Apr 7, 2005
- MCI WORLDCOM, INC.
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for efficiently passing the silence or unused sta...
- Publication number 20040213227
- Publication date Oct 28, 2004
- WorldCom, INC.
- Forrest L. Pierson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for detecting and managing fraud
- Publication number 20040111305
- Publication date Jun 10, 2004
- WorldCom, INC.
- John Gavan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus supporting TDD/TTY modulation over vocoded cha...
- Publication number 20030196155
- Publication date Oct 16, 2003
- Nikolai K.N. Leung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus supporting TDD/TTY modulation over vocoded cha...
- Publication number 20030196158
- Publication date Oct 16, 2003
- Nikolai K.N. Leung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS SUPPORTING TDD/TTY MODULATION OVER VOCODED CHA...
- Publication number 20030067882
- Publication date Apr 10, 2003
- NIKOLAI K. N. LEUNG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Speech activity or inactivity detectors

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for detecting and managing fraud

System and method for detecting and managing fraud

Method and system for efficiently passing the silence or unused sta...

System, method and computer program product for processing event re...

System, method and computer program product for processing event re...

Method and system for efficiently passing the silence or unused sta...

Method and apparatus supporting TDD/TTY modulation over vocoded cha...

System and method for integrating voice and data on a single RF cha...

System and method for detecting and managing fraud

Emulating circuit-switched communications in a packet-switched envi...

System and method for prevention of cell loss due to quality of ser...

Voice operated switch for use in high noise environments

Efficient transmission of voice silence intervals

System and method for prevention of cell loss due to quality of ser...

Process and device for creating comfort noise in a digital speech t...

Modular analyzer of digital signal traffic

Method for detecting voice presence on a communication line

Digital speech interpolation system and speech detector

Voice activity detection process and means for implementing said pr...

Method and apparatus for evaluating noise level on a telephone channel

Multiplexed data stream monitor

Digital speech/data discriminator for transcoding unit

Method of detecting the presence of speech in a telephone signal an...

Signal stretcher for envelope generator

Speech detector circuit for a TASI system

Method of and apparatus for echo detection in voice channel signals

Method of and apparatus for detecting speech in a voice channel signal

Speech detector circuit with associated gain control for a tasi system

Speech detector with variable threshold

Speech/silence discriminator for speech interpolation

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR DETECTING AND MANAGING FRAUD

SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROCESSING EVENT RE...

Method and system for efficiently passing the silence or unused sta...

System and method for detecting and managing fraud

Method and apparatus supporting TDD/TTY modulation over vocoded cha...

Method and apparatus supporting TDD/TTY modulation over vocoded cha...

METHOD AND APPARATUS SUPPORTING TDD/TTY MODULATION OVER VOCODED CHA...