[linux-audio-user] declipper

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On Thu, May 27, 2004 at 08:04:25AM -0700, R Parker wrote:
> Hi,
> 
> I'm doing some more mastering. A couple of the songs
> have spikes, short duration but high signal level.
> Compression fails to hold these signals in place. I
> could tweak the compressor but when results aren't
> achieved quickly I look for another tool.

Sounds like a use case for a fast limiter.
 
> Can SWH or anyone else explain what the Declipper
> does? In a moment of genius I began to suspect that it
> declips. Dah! I guess a definition of clip and an
> example for where this plugin is useful would be
> helpful.

I've wondered about that too!
 
> I've post fader and in front of the compressor
> inserted the declipper. In my test track, it doesn't
> appear to be doing anything. It's likely the spikes
> are not clips. However, the level of the spikes is
> probably +6.0dbfs hotter than the average level.
> 
> If these spikes aren't clips, maybe I can normalize
> and close the level gap between the spikes and the
> average signal. I'll try that but suspect it won't do
> the job.

Normalizing won't change the relative levels of the spikes
and the average at all.

-- 

Paul Winkler
http://www.slinkp.com

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