US Patent No: 8,000,971
Number of patents in Portfolio can not be more than 2000
Discriminative training of multi-state barge-in models for speech processing
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Aug 16, 2011
Issued date -
Oct 31, 2007
filing date -
11/930,656
serial no -
In Force
status
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Abstract
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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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,947,895 Distributed speech system with buffer flushing on barge-in | 4 | 2001 | |
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| 6,725,199 Speech synthesis apparatus and selection method | 33 | 2002 | |
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| 7,047,197 Changing characteristics of a voice user interface | 9 | 2000 | |
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| 7,058,577 Voice user interface with personality | 10 | 2001 | |
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| 6,934,756 Conversational networking via transport, coding and control conversational protocols | 133 | 2002 | |
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| 6,801,604 Universal IP-based and scalable architectures across conversational applications using web services for speech and audio processing resources | 170 | 2002 | |
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| 7,203,721 Portable browser device with voice recognition and feedback capability | 22 | 1999 | |
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