Nonintrusive speech level and dynamic noise measurements

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5216702
SERIAL NO

07842675

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A digital signal processor is provided with the facility to measure accurately, and nonintrusively, the levels of noise and/or speech signals appearing on an in-service network connection.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AMERICAN TELEPHONE AND TELEGRAPH COMPANYMURRAY HILL, NJ1082
AT&T BELL LABORATORIESMURRAY HILL, NJ925
LUCENT TECHNOLOGIES INC.MURRAY HILL, NJ6849

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ramsden, David B Wall, NJ 3 23

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Compagnie Industrielle des Telecommunications Cit-Alcatel (1)
* 4552996 Method and apparatus for evaluating noise level on a telephone channel 24 1983
 
NORTEL NETWORKS LIMITED (1)
* 4363938 Method of and apparatus for echo detection in voice channel signals 11 1980
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
SECURUS TECHNOLOGIES, INC. (9)
7899167 Centralized call processing 27 2003
8000269 Call processing with voice over internet protocol transmission 6 2004
7916845 Unauthorized call activity detection and prevention systems and methods for a Voice over Internet Protocol environment 3 2006
7529357 Inmate management and call processing systems and methods 44 2007
8340260 Inmate management and call processing systems and methods 8 2009
* 2011/0110,367 Unauthorized Call Activity Detection And Prevention Systems And Methods For A Voice Over Internet Protocol Environment 3 2011
8577003 Centralized call processing 8 2011
* 2011/0110,276 CENTRALIZED CALL PROCESSING 3 2011
9560193 Systems and methods for detecting a call anomaly using biometric identification 0 2015
 
INTEL CORPORATION (1)
* 6128370 Multiple tone detection using out-of-band background detector 15 1997
 
SCIENCE DYNAMICS CORPORATION (2)
* 5768355 Three-way call detection system 49 1996
7505406 Public telephone control with voice over internet protocol transmission 22 2001
 
ULTRATEC, INC. (10)
* 7164753 Real-time transcription correction system 34 2003
* 2003/0212,547 Real-time transcription correction system 1 2003
7660398 Captioned telephone service 22 2005
* 2005/0226,394 Captioned telephone service 12 2005
7881441 Device independent text captioned telephone service 21 2006
* 2007/0036,282 Device independent text captioned telephone service 20 2006
9131045 System for text assisted telephony 0 2012
8917821 Device independent text captioned telephone service 11 2013
8917822 System for text assisted telephony 11 2014
8908838 System for text assisted telephony 12 2014
 
NORTEL NETWORKS LIMITED (1)
* 5940471 Method and apparatus for obtaining feedback regarding network services 106 1996
 
AT&T CORP. (2)
* 6002762 Method and apparatus for making nonintrusive noise and speech level measurements on voice calls 5 1996
* 5793864 Nonintrusive measurement of echo power and echo path delay present on a transmission path 7 1996
* Cited By Examiner