On Monday 16 December 2013 16:44:26 Fons Adriaensen did opine:
> On Mon, Dec 16, 2013 at 01:10:31PM -0500, Joe Hartley wrote:
But the average sound card, running on the system 5 volt bus is all tapped
out at +4, clipping anything that goes above that. Some may tap the system
+ and - 12 volt for the output stage, so those will, if everything is
right, still clip at +20 or so which in some music can be hit even if the
meter only says +4. To hit + 30dbm takes about 16 to 17 volts on each
supply rail. No computer offers that much at its pci sockets. And some,
in an effort to be as power miserly as they can be, will have significant,
see it on the o-scope, cross-over distortion at any level.
Driving the average earbud, they can get away with murdering the music &
few can hear the diff. Sad but true too many times.
> > I suspect there was some user error at the mixer.
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