On Thu, Mar 02, 2006 at 06:47:19AM +0900, res0u2uc@xxxxxxxxxxx wrote: > On the subject of the direction of signals in cables, I > think I can offer to put the issue to rest by reminding > all parties that audio signals from a microphone or to a > loudspeaker are carried by the AC (alternating current) > component of electron movement. Thus the direction of the > electric current reverses many thousands of times each > second, more or less depending on the pitch. thanks, I was going to say much the same thing. The only exception I can think of is when there's a DC offset to the signal of sufficient voltage to force the signal always be positive (or always negative). But that would mean something's broken :) -- Paul Winkler http://www.slinkp.com
