[linux-audio-user] Invert And Mix

[kevin ernste]

--- Len Moskowitz <vze24hrw at verizon.net> wrote:
> I'm making copies of a sound file and I want to confirm by sight and
> sound
> that the original and the copy are bit-for-bit accurate.
> 
> Are there any Linux audio applications that would allow me to invert
> a WAV
> file and sum it (mix it) with another file and then display the
> resulting
> waveform?  If they're identical I'd get a flat line (the two would
> sum to
> silence); if not I'd hear see and hear noise.  With a graphic display
> I'd
> also be able to see if there are any patterns to the errors.

For one: Sweep with "swh-plugins".

Select all, copy, "Process-->Inverter", "Edit-->Paste Mix".

Kevin

=====
"I should prefer this note not be read or, if skimmed, that it should be forgotten." - Mallarme

__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com