FIELD: information technology.
SUBSTANCE: invention is meant for audio information input. The system has a microphone, connected to a speech sensor, which generates a signal based on an input non-audio signal, generated based on an effect produced by a speaking person such as facial movement, bone vibration, throat vibration, change of internal impedance of the throat etc. The component of the speech detector generates a speech detection signal, which indicates the probability of what the user is saying, and further calculates the composite signal by multiplying the speech detection signal by the microphone signal. A speech recognition processor recognises speech so as to provide for an output recognition signal, indicating speech in the microphone signal, based on the composite signal.
EFFECT: suppression of noise, related to background speech and user friendliness.
13 cl, 11 dwg
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