[LAU] upwards compression

[Fabio]

Em Sat, 25 Dec 2010 16:47:04 +0100
Jörn Nettingsmeier <nettings at folkwang-hochschule.de> escreveu:

> On 12/25/2010 03:57 PM, Fabio wrote:
> > Em Sat, 25 Dec 2010 14:41:19 +0000
> > Q <lists at quirq.ukfsn.org> escreveu:
> >> Well it's easy enough to set up in Ardour using a bus and a
> >> regular compressor. I expect it should be easy enough in other
> >> software.
> >>
> >> Q
> > 
> > how you do that? none of the compressors i checked has ability to
> > use negative ratio.
> > upwards compression means it elevates volumes below threshold
> > instead of the "opposite"(lack of word) in normal compression
> 
> you can set up two busses, both fed from the signal you want to
> up-compress. one is left as-is, and the other is set for compression
> at the threshold below which you want the up-compression to set in.
> 
> now you mix both buses to the same master. the effect is that at low
> levels, both signal paths will be uncompressed and add up. at higher
> levels, the compressed signal path is attenuated and adds less gain,
> which is the effect you're after.
> 

wow, audio-production is math, too...lol

but man, this will result in a normal compression, only that the ratio
will be lowered.

I mean, lets say we have 4 signals with values: 1 2 4 8
threshold between 2 and 4 give for ex. this: 1 2 3 4
now i add both an divide by 2: 1 2 3.5 6