Active source identification for conference calls

Details Active source identification for conference calls Active source identification for conference calls

H - Electricity

04

L

H04L 12/18 (2006.01) H04L 29/02 (2006.01) H04M 3/56 (2006.01) H04N 7/15 (2006.01)

Patent

CA 2664262

A conference bridge will receive incoming packet steams from multiple sources for a conference call. Packets within each of the incoming packet streams include audio signals from the corresponding source and source reference information, which uniquely identifies a source from which the packet was delivered. The conference bridge will identify one of the sources as an active source and deliver audio signals for the active source to the multiple sources in an outgoing packet stream. Packets in the outgoing packet stream will include active source reference information corresponding to the source reference information received for the active source. Based on the active source reference information, the sources may identify the source from which the audio signals in the outgoing packet stream correspond.

Selon l'invention, un pont de conférence reçoit des flux de paquets entrants de plusieurs sources pour une conférence téléphonique. Les paquets de chaque flux de paquets entrant comportent des signaux audio provenant de la source correspondante et des informations de référence de source qui identifient de manière unique une source fournissant les paquets. Le pont de conférence identifie une des sources comme étant une source active et distribue des signaux audio pour cette source active aux multiples sources dans un flux de paquets sortant. Les paquets du flux de paquets sortant comportent des informations de référence sur la source active qui correspondant aux informations de référence de source reçues. Les sources peuvent identifier la source de laquelle proviennent les signaux audio dans le flux de paquets sortant, en fonction desdites informations de référence sur la source active.

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