[linux-audio-user] Re: Digital Fidelity

Paul Winkler pw_lists at slinkp.com
Wed Mar 1 17:52:33 EST 2006

On Thu, Mar 02, 2006 at 06:47:19AM +0900, res0u2uc at verizon.net 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

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