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Arrangement for activating and deactivating automatic noise cancellation (ANC) in a mobile station

  • US 20020141598A1
  • Filed: 03/13/2002
  • Published: 10/03/2002
  • Est. Priority Date: 03/29/2001
  • Status: Abandoned Application
First Claim
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1. An arrangement for activating and deactivating automatic noise cancellation (ANC) in a mobile station, in which there is an ANC facility for cancelling background noise of an incoming audio signal and circuits for activating and deactivating ANC, characterized in that the arrangement includes an automatic circuit configuration for detecting a need for ANC, according to a selected criterion, which detection circuit configuration is arranged to automatically control the activation and deactivation of the ANC facility.

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