Patent ID: 6625271
Filing Date: 2003-09-23
Classification: H04M,H04Q

Abstract:
An audio conferencing system, comprising:a data bus; a network interface circuit that receives audio signals associated with participants in a conference, and provides digitized audio signals in assigned time slots over said data bus; and a plurality of digital signal processors adapted to communicate on said data bus, wherein a first of said plurality of digital signal processors receives said digitized audio signals associated with conference participants who are speaking, and sums a plurality of said digitized audio signals to provide to a second of said plurality of digital signal processors a summed conference signal and a conference list indicative of said digitized audio signals summed to generate said summed conference signal, wherein for each conference participant on said conference list said second of said plurality of digital signal processors removes said digitized audio signal associated with the conference participant from said summed conference signal to provide a unique conference signal for the conference participant.