Subject: Re: [linux-audio-user] Re: Removing distortion
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Mon Jul 08 2002 - 15:37:04 EEST
On Mon, Jul 08, 2002 at 08:58:16 +0900, Patrick Shirkey wrote:
> Ok. So my description is wrong but that doesn't mean the concept is
> wrong. He has used this technique to remaster an LP and he says it works.
>
> If you don't use a lowpass to cut out the peaks how can you chop the
> peaks out of the signal? what would you use?
I would use some kind of detection algorithm, followed by a morph or
interpolation as was suggested by somoene else (ala cooledit).
The simplest fix would be to try and detect clipping and just use a
polynomial interpolator to join the waveform at either side. It would only
work for short time clipping though. I might try to write a plugin that
does this, but its quite far down my TODO list.
I don't think theres anything purely linear filter based that will help
much.
- Steve
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