You'll probably enjoy this. In 2008, for KFWB's 40th anniversary in the all news format, I brought back the teletype sound as stunt. Listeners would write emails asking what the "noise" was. When I wrote back saying that it was a teletype, many responded "huh?" I had to resort to attaching a picture of an old UPI teletype machine. Another complication was integrating the sound into a fully digital studio. In the old days, we used to hook up a live mike (or a recording) to the relay in the "on the air" light to have the teletype sound come on when mics were hot but not when you were in commercials. I had to have an engineer write about 3' of code to get the sound play at the right times.