US Patent No: 8,000,971 - Analytics, PDF, Full Text and PAIR Access

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

ALSO PUBLISHED AS: 20090112595

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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, NV5057
AMERICAN TELEPHONE AND TELEGRAPH COMPANY, AT&T BELL LABORATORIESMURRAY HILL, NJ933

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ljolje, Andrej Morristown, NJ 65 60

Cited Art Landscape

Patent Info (Count) # Cites Year
 
CISCO TECHNOLOGY, INC. (1)
6,947,895 Distributed speech system with buffer flushing on barge-in 4 2001
 
HTC CORPORATION (1)
6,725,199 Speech synthesis apparatus and selection method 41 2002
 
INTEL CORPORATION (1)
7,047,197 Changing characteristics of a voice user interface 25 2000
 
INTELLECTUAL VENTURES PATENT HOLDING, L.L.C. (1)
7,058,577 Voice user interface with personality 12 2001
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
6,934,756 Conversational networking via transport, coding and control conversational protocols 168 2002
 
NUANCE COMMUNICATIONS, INC. (1)
6,801,604 Universal IP-based and scalable architectures across conversational applications using web services for speech and audio processing resources 214 2002
 
TRIMBLE NAVIGATION LIMITED (1)
7,203,721 Portable browser device with voice recognition and feedback capability 41 1999

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