Apparatus and method of reducing noise by controlling signal...

Details Apparatus and method of reducing noise by controlling signal... Apparatus and method of reducing noise by controlling signal...

2011-03-15

2011-03-15

Opsasnick, Michael N (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

Reexamination Certificate

active

07908139

ABSTRACT:
An apparatus for reducing a noise signal of a speech signal in a speech recognizer, the apparatus estimating a signal to noise ratio for each frequency band of the speech signal, applying a noise suppression rate based on the estimated signal to noise ratio, and reducing the noise signal of the speech signal.

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