Patent ID: 7606181

Claim:
A method for processing audio information of a communication session, comprising: receiving through at least one port a plurality of channels having audio information of a communication session; identifying one or more of the plurality of channels as silent channels, wherein the remaining channels of the plurality of channels are non-silent channels; mixing the audio information of the non-silent channels when there are at least two non-silent channels of the plurality of channels; delivering through the at least one port to the plurality of channels of the communication session the mixed audio information; and wherein identifying one or more silent channels comprises: identifying any channel of the plurality of channels with audio information having a signal energy level below a threshold as being a silent channel, for each channel of the plurality of channels having audio information with a signal energy level above the threshold, determining a noise floor, and identifying any channel of the plurality of channels having a determined noise floor and having audio information with a signal energy level below the determined noise floor as being a silent channel.