"The signal in the room is the acoustic wave, not the air, no?"
Don't you need both? You can't have an acoustic wave with out air. Or am I just missing something?
Also, with regards to the signal alternating back and forth, doesn't that get taken care of when the signal is rectified?
Don't you need both? You can't have an acoustic wave with out air. Or am I just missing something?
Also, with regards to the signal alternating back and forth, doesn't that get taken care of when the signal is rectified?