Re: [Jamin] Re: [linux-audio-user] good spectrum analyser

From: Jan Depner ^lt;eviltwin69_at_cableone.net>
Date: 02/22/04 17:39 EST
Message-Id: <1077489558.1560.24.camel@eviltwin>
That was the point of the outside markers.  They are essentially where
the effect stops but it splines into them.  On standard parametric EQs
they use a knob to define where the effect ends.  AFAICT there is no
difference between this -
http://www.transom.org/tools/basics/200303.eq.towne.html and
http://myweb.cableone.net/eviltwin69/smooth2.png.  They just don't have
markers where the curve goes to 0 (because it has to go to 0).  If you
want it to spread more just move the markers.  The question I was asking
is whether you want it to be more gradual (ie, add more points to the
spline which is exactly what they're doing).  Originally I just set it
to a very small number of points to make it simple.  On the very narrow
notches there is no way to make it very gradual because you only have a
small number of points to begin with.  What they were doing that I
wasn't is going from the marker to the end of the frequency band with
the high and low pass.


Jan


On Sun, 2004-02-22 at 15:56, Steve Harris wrote:
> On Sun, Feb 22, 2004 at 03:50:56 -0600, Jan Depner wrote:
> > Is this what you had in mind or do you want more points in the spline?
> > 
> > http://myweb.cableone.net/eviltwin69/smooth.png
> 
> I dont think so - it looks like the effect of the peak stops at the
> outside markers. Lets not worry about it for now - it doesnt cause any
> real problems, and I cant explain the way parametrics work very well :)
> 
> - Steve
> 
> 
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Received on Sun Feb 22 17:38:38 2004

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