Discriminative training of multi-state barge-in models for speech processing

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United States of America Patent

PATENT NO 8000971
APP PUB NO 20090112595A1
SERIAL NO

11930656

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Abstract

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Disclosed are systems and methods for training a barge-in-model for speech processing in a spoken dialogue system comprising the steps of (1) receiving an input having at least one speech segment and at least one non-speech segment, (2) establishing a restriction of recognizing only speech states during speech segments of the input and non-speech states during non-speech segments of the input, (2) generating a hypothesis lattice by allowing any sequence of speech Hidden Markov Models (HMMs) and non-speech HMMs, (4) generating a reference lattice by only allowing speech HMMs for at least one speech segment and non-speech HMMs for at least one non-speech segment, wherein different iterations of training generates at least one different reference lattice and at least one reference transcription, and (5) employing the generated reference lattice as the barge-in-model for speech processing.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AT&T INTELLECTUAL PROPERTY I, L.P.RENO, NV6744

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ljolje, Andrej Morris Plains, US 56 195

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
* 6934756 Conversational networking via transport, coding and control conversational protocols 235 2002
 
NUANCE COMMUNICATIONS, INC. (1)
* 6801604 Universal IP-based and scalable architectures across conversational applications using web services for speech and audio processing resources 284 2002
 
INTEL CORPORATION (1)
* 7047197 Changing characteristics of a voice user interface 35 2000
 
CISCO TECHNOLOGY, INC. (1)
* 6947895 Distributed speech system with buffer flushing on barge-in 4 2001
 
HTC CORPORATION (1)
* 6725199 Speech synthesis apparatus and selection method 53 2002
 
INTELLECTUAL VENTURES PATENT HOLDING, L.L.C. (1)
* 7058577 Voice user interface with personality 16 2001
 
TRIMBLE NAVIGATION LIMITED (1)
* 7203721 Portable browser device with voice recognition and feedback capability 70 1999
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
NUANCE COMMUNICATIONS, INC. (5)
* 9530432 Method for determining the presence of a wanted signal component 0 2009
* 2010/0030,558 Method for Determining the Presence of a Wanted Signal Component 2 2009
* 9026443 Context based voice activity detection sensitivity 0 2010
* 2012/0271,634 Context Based Voice Activity Detection Sensitivity 4 2010
9502050 Noise dependent signal processing for in-car communication systems with multiple acoustic zones 0 2012
 
GOOGLE INC. (2)
* 9240183 Reference signal suppression in speech recognition 0 2014
* 2015/0235,651 REFERENCE SIGNAL SUPPRESSION IN SPEECH RECOGNITION 0 2014
* Cited By Examiner

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