Re: [linux-audio-user] Invert And Mix

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Subject: Re: [linux-audio-user] Invert And Mix
From: kevin ernste (kevinernste_AT_yahoo.com)
Date: Sun Aug 24 2003 - 08:38:31 EEST


--- 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

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