| 摘要 |
<p>A microphone assembly comprising a transducer for receiving sound and outputting a corresponding control signal. The assembly also comprises means for detecting a magnetic field and outputting a signal relating to the field. A hearing aid comprising the assembly has a processor receiving the control signal and selecting between the microphone signal and a signal relating to the magnetic field, such as a signal received from a telephone hand set or a telecoil.</p> |
