Patent ID: 8385233

Claim:
A computer implemented method comprising: Receiving a first input from a first individual audio input client, the first input indicating that the first individual audio input client is a first active participant in an audio event, wherein the audio event comprises active and inactive participants; receiving a second input from a second individual audio input client, the second input indicating that the second individual audio input client is a second active participant in the audio event; receiving a third input from a third individual audio input client, the third input indicating that the third individual audio input client is a third active participant in the audio event; associating a first identifier with the first individual audio input client, a second identifier with the second individual audio input client, and a third identifier with the third individual audio input client; upon receiving the first, second, and third input, determining that the first individual audio input client is a dominant speaker over the second individual audio input client; ordering the first identifier above the second identifier and the third identifier in a real-time transport protocol (RTP) contributing source list (CSRC) based on the determination that the first individual audio input client active participant is the dominant speaker over the second and third individual audio input client active participants, wherein the first identifier is placed at the top of the CSRC list to identify a relative relationship of the first, second, and third active clients, and wherein inactive participants are not included in the list; and inserting the list of the ordered first identifier, the second identifier and third identifier into a packet header.