| 摘要 |
The invention relates to an arrangement for activating and deactivating automatic noise cancellation (ANC) in a mobile station, in which there are an ANC facility (3) for suppressing background noise in an incoming audio signal, as well as circuits for activating and deactivating the ANC. The arrangement includes automatic detection (10) of the need for ANC according to a selected criterion, for example, a set noise level, the detection circuit configuration (10) being arranged to automatically control the activation and deactivation of the ANC facility (3). <IMAGE> |
