Method and apparatus for recognizing speech in a noisy...

Details Method and apparatus for recognizing speech in a noisy... Method and apparatus for recognizing speech in a noisy...

2005-08-31

2009-08-04

McFadden, Susan (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

Reexamination Certificate

active

07571095

ABSTRACT:
An apparatus and a concomitant method for recognizing speech in a noisy environment are provided. The present method includes applying a first interpolation weight to a clean speech model to produce a weighted clean speech model, applying a second interpolation weight to a noise model to produce a weighted noise model, and deriving a noisy speech model directly from the weighted clean speech model and the weighted noise model. At least one of the first interpolation weight and the second interpolation weight is computed in a maximum likelihood framework.

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patent: 6687672 (2004-02-01), Souilmi et al.
patent: 7120580 (2006-10-01), Rao Gadde et al.

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