Multiple channel wireless communication system

Abstract From the Canadian patent

A wireless audio distribution system may have a wireless transmitter responsive to a plurality of audio input channels for transmitting signals , carrying the audio - a receiver, responsive to the transmitted signals for selecting one or more of the audio input channels to be reproduced in accordance with local setting selectors at the receiver. An additional audio source, such as a microphone, can be selectively used by for example the driver to talk on the cell phone or to make announcements to passengers via the wireless audio distribution system in accordance with a master settings selector which may be used to override local settings such as audio channel or volume selection.