Patent ID: 8699721
Filing Date: 2014-04-15
Classification: G10L,H04R

Abstract:
1. A method executing on a processor, the method comprising: inputting a signal into a first microphone and a second microphone; determining a first response of the first microphone to the signal; determining a second response of the second microphone to the signal; generating a first filter model of the first microphone and a second filter model of the second microphone from the first response and the second response; generating a third filter model that normalizes the first response and the second response, wherein the generating of the third filter model comprises convolving the first response and the second response and also comprises comparing a result of the convolving with a standard response filter; and forming a calibrated microphone array by applying the second filter model to the first response of the first microphone and applying the first filter model to the second response of the second microphone.