FIELD: physics.
SUBSTANCE: method of removing noise from a speech signal involves division of the input speech into voiced speech and unvoiced speech, adaptive filtration of the voiced speech in order to remove voiced speech noise and spectral subtraction on the unvoiced speech.
EFFECT: higher quality of speech signal.
18 cl, 4 dwg
Authors
Dates
2010-06-10—Published
2005-09-07—Filed