Patent ID: 6363156
Filing Date: 2002-03-26
Classification: H04B,H04M

Abstract:
A communication system for a vehicle passenger compartment comprising:a first microphone generating first microphone signals located at a first position within said passenger compartment; a second microphone generating second microphone signals located at a second position within said passenger compartment, said second microphone separated from said first microphone by a first distance; a digital signal processor receiving said first and second microphone signals; a first speaker located proximate said first microphone, said first speaker connected to said digital signal processor to output said second microphone signals in response to said digital signal processor; a second speaker located proximate said second microphone, said second speaker connected to said digital signal processor to output said first microphone signals in response to said digital signal processor; and an audio entertainment system electrically coupled to said digital signal processor, said audio entertainment system outputting audio signals through said first and second speakers; said digital signal processor substantially canceling communication of said first and second speaker output from said first and second microphone signals.