(Radio telegraph systems which did not carry audio are not listed.)

The cable carried bi-directional audio, video, synchronization, record on/off control, and power.

A wire was run across the street to carry audio of the choir's performance from the dealership to the studio.

It does not carry audio on the same cable.

The earliest radio stations were simply radiotelegraphy systems and did not carry audio.

Charles Herrold started broadcasting in California in 1909 and was carrying audio by the next year.

So Skype keeps them small so that packets don't carry too much audio because it recognizes they may get lost.

The camera at the Wailing Wall carried live audio as well.

Telephone lines also carry balanced audio, though this is generally now limited to the local loop.

Each television signal had two audio channels to carry audio in two major languages of each cluster.