| 主权项 |
1. A method of supervision of an audio bus having a first channel and a second channel, comprising the steps of:
receiving a first signal having a first frequency from the audio bus at a divider, wherein the first signal is a word clock signal having a square wave; reducing the first frequency of the first signal resulting in a second signal having a second frequency; transmitting the second signal having the second frequency over the first channel of the audio bus when the first channel is not in use; and verifying transmission of the second signal with the second frequency on the audio bus. |
