Patent ID: 7522736
Filing Date: 2009-04-21
Classification: H04R

Abstract:
1. A method for determining the location of a microphone, comprising: determining a difference in an arrival time between a first audio signal generated by one microphone with a known location and a second audio signal generated by another microphone with an unknown location, wherein the first and second audio signals are a representation of a substantially same sound emitted from a plurality of acoustic sources with a known location; determining, based on at least the determined difference in arrival time, distances between the plurality of acoustic sources with the known location and the microphone with the unknown location; and determining, based on the determined distances of the acoustic source and the microphone with the unknown location, the location of the microphone with the unknown location, wherein the first and second audio signals are representations of a sound emitted from an acoustic source other than an acoustic source speaking into the unknown microphone.