"David Hutto" <smokefl...@gmail.com> wrote
and what is sound, electromagnetically transmitted, then turned into
ones and zeroes.
Just to be picky sound is mechanical waves not electromagnetic.
The ear is primarily a mechanical device.
Audio is the more general term to describe signalling which
represents sound. And audio can be transmitted as electromagnetic
waves. The other big thing about audio is that it is analog not
digital.
So to represent a binary digital signal using audio you need to
define one audio signal frequency for 1 and another for 0.
HTH,
--
Alan Gauld
Author of the Learn to Program web site
http://www.alan-g.me.uk/
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