[linux-audio-user] Setting equalizer settings with Sox ?

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On Fri, Apr 04, 2003 at 10:02:47AM +0200, Roel de Wit wrote:
> Hi,
> 
> I've been playing with Sox for a while but I can't seem to find how to do a
> specific thing. Could somebody please tell me if what I want is possible and
> if so, how to do it.
> 
> One of the things I want to do is to boost a range of frequencies. Basically
> from 20 Hertz to 320 Hertz, where 80 Hertz is considered the 'center' and
> the boost gets less when going to 20/320 Hertz. I have found the
> highp(ass)/lowp(ass) options but these don't seem to be of use for this. I'd
> really appreciate some help here.

What you need is a parametric EQ, try ecasound http://www.eca.cx/

If you set a bandwidth of 1 octave and centre freq. of 80Hz you will get
full boost at 80Hz, half at 40/160, a quarter at 20/320 and so on.

If the ecasound builtin parametric doesn't have enough control try the one
from http://plugin.org.uk/ , which will run under ecasound.

- Steve 


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