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Automatic sidetone control

  • US 8,504,115 B2
  • Filed: 11/21/2008
  • Issued: 08/06/2013
  • Est. Priority Date: 11/21/2008
  • Status: Active Grant
First Claim
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1. An automatic sidetone controller for a telecom device having a transmit (TX) channel, a receive (RX) channel, and a signal processor for generating a sidetone signal by coupling a portion of a signal transmitted on the TX channel onto the RX channel via a sidetone path, the controller comprising:

  • logic encoded in tangible media for execution in the signal processor and operable when executed to;

    while the RX channel is in an active mode, detect when the TX channel of the device has been placed in an active mode and to enable the sidetone path in response thereto; and

    ,while the RX channel is in an active mode, detect when the TX channel of the device has been placed in an inactive mode and to disable the sidetone path in response thereto.

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