Patent ID: 8589991

Claim:
A method of operating a wireless audio-video source device to provide audio-video content to a remote playback device, the method comprising: providing, by the wireless audio-video source device, a graphical user interface that enables control over presentation of audio-video content on the remote playback device; receiving, by the wireless audio-video source device, an indication of a selection of a first presentation control of the graphical user interface, the selection of the first presentation control indicating that the audio-video content is to be presented by the remote playback device; streaming, by the wireless audio-video source device, data representing the audio-video content to the remote playback device over a first channel for presentation of the audio-video content by the remote playback device based, at least in part, on the selection of the first presentation control; negotiating, by the wireless audio-video source device, a side channel with the remote playback device, wherein the side channel is within a portion of a digital television spectrum and is negotiated without regard to whether one or more frequencies for the side channel is within an unused portion of the digital TV spectrum; and transmitting, by the wireless audio-video source device, a command to the remote playback over a side channel to control presentation of the audio-video content on the remote playback device.