| 摘要 |
<p>The application relates to a binaural listening system comprising first and second listening devices adapted for being located at or in respective left and right ears of a user, the first and second listening devices being adapted to establish a wireless link allowing an exchange of information between the listening devices. The application further relates to a method of operating a binaural listening system and to the use of a binaural listening system. An object of the present application is to allow an automatic conservation of power in a binaural listening system when not in use. Each listening device of the binaural listening system comprises a signal processing unit for processing a signal comprising audio and for performing logic actions based on one or more control inputs, and an antenna and transceiver unit for establishing said wireless link. The transceiver unit comprises a transmit control unit allowing the transmission of first data (comprising a first control signal) with a first level of transmission power providing a first operating transmission range and the transmission of second data with a second level of transmission power providing a second operating transmission range, wherein said second operating transmission range is larger than said first operating transmission range. Receive control units of the listening devices are adapted to extract the first control signal from the first data received from the respective opposite listening device. The signal processing units of the listening devices are adapted to perform a first action based on said first control signal. This facilitates an automatic scheme for performing actions dependent on the current operating distance of two listening devices of a binaural listening system. The invention may e.g. be used in binaural systems comprising portable, battery driven devices, e.g. hearing aids, ear phones, active ear protection systems, or combinations thereof.</p> |
