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Media detection and packet distribution in a multipoint conference

  • US 8,264,521 B2
  • Filed: 04/30/2007
  • Issued: 09/11/2012
  • Est. Priority Date: 04/30/2007
  • Status: Active Grant
First Claim
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1. A method for distributing media packets in a multipoint conference, comprising:

  • receiving a plurality of audio signals, each of the plurality of audio signals including audio packets, wherein one or more audio packets from each of the plurality of audio signals is coded with an audiometric, the audiometric including an acoustic measurement from a conference site;

    extracting one or more audiometrics from one or more audio packets for each of the plurality of audio signals;

    selecting one or more active audio signals based on the one or more extracted audiometrics;

    determining a change in the active audio signal;

    updating a media forwarding table in response to determining a change in an active audio signal, the media forwarding table including a directory for routing one or more of the plurality of audio signals;

    receiving, in response to determining a change in the active audio signal, an instantaneous decoder refresh frame prior to distributing audio packets to one or more conference sites in accordance with the media forwarding table; and

    distributing audio packets to one or more conference sites in accordance with the media forwarding table.

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