Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate
2007-06-26
2007-06-26
Chawan, Vijay (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
C704S251000, C704S257000, C704S270100
Reexamination Certificate
active
10424140
ABSTRACT:
The invention is a system and method for automatic acoustic speaker adaptation in an automatic speech recognition assisted transcription system. Partial transcripts of audio files are generated by a transcriptionist. A topic language model is generated from the partial transcripts. The topic language model is interpolated with a general language model. Automatic speech recognition is performed on the audio files by a speech recognition engine using a speaker independent acoustic model and the interpolated language model to generate semi-literal transcripts of the audio files. The semi-literal transcripts are then used with the corresponding audio files to generate a speaker dependent acoustic model in an acoustic adaptation engine.
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He Chuang
Wu Jianxiong
Chawan Vijay
Kelley Drye & Warren LLP
USB AG, Stamford Branch
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