A method of automatically calibrating a microphone having a microphone input gain comprises the steps of receiving an input signal generated by the microphone in response to an audio input, sampling the input signal to produce a plurality of samples, detecting a plurality of instances of voice...http://www.google.fr/patents/US5844994?utm_source=gb-gplus-shareBrevet US5844994 - Automatic microphone calibration for video teleconferencing
Automatic microphone calibration for video teleconferencing
