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Apparatus, method, and computer program for processing audio information of a communication session

  • US 7,606,181 B1
  • Filed: 06/30/2003
  • Issued: 10/20/2009
  • Est. Priority Date: 06/30/2003
  • Status: Expired due to Fees
First Claim
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1. 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, andidentifying 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.

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