Embed Audio Signals?
January 9, 2010
So I got this nifty iPod plugged into Walter and I can easily control it with serial commands. If I were to want to sync say, movements of the head to the audio being played, I now can only do it manually... I.e. I would actually use a stopwatch and time when I would want each move to start/ continue and add the needed pauses to the code.
Remember those old film-strips in school? They had that beep to tell you to advance to the next frame. Could this "beep" be embeded into audio and be "read" by code? Maybe a super-high-pitched note that we can't hear but a pulsin could "hear". Or run the audio into an ADC and listen for a "silent" that is say, 1 sec long. Or could I record a series of audio clicks that could be counted?
There has to be a easy figure-out here if not, this shoulc be a fun thought-excercise... But really, how cool would it be to be able to sync head movements to the audio that is being played...
Gimme wha cha' got.