On Sat, Nov 08, 2003 at 07:50:22PM -0800, iainduncan(a)telus.net wrote:
Sorry, forgot to ask a couple of things.
Will Jack or other similar APIs allow passing of DC signal?
jack doesn't care what kind of signals pass through it.
If so, do we have
to worry about speakers blowing up or do soundcards protect against DC?
Most audio circuits include "coupling" capacitors that block
DC voltages. Transformers work too. I would be amazed if any soundcard
will pass a DC voltage.
If not, can anyone tell me what the most CPU efficient
way of
modulating/demodulating a control signal might be? It occured to me that one
could just use a very high frequency signal
remember that nyquist theorem limits the frequency to half the
sampling rate.
--
Paul Winkler
http://www.slinkp.com
Look! Up in the sky! It's ANCIENT COWARD!
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