[LAU] jaaa

Peter P. p8rpp at aol.com
Tue Feb 11 20:16:12 UTC 2014


* Fons Adriaensen <fons at linuxaudio.org> [2014-02-11 20:23]:
> On Tue, Feb 11, 2014 at 06:02:48PM +0000, Will Godfrey wrote:
> 
> > I've just been using this to do some tests on an Amp and it's produced some
> > interesting and useful results. However, I would really like a log frequency
> > scale.
> 
> The F-scale is linear because the resolution of the analyser is
> independent of frequency. It provides as much 'detail' between
> 10.1 and 10.2 kHz as it does between 100 and 200 Hz. Using a log
> scale would mean that most of that information is thrown away.
>  
> > Is this a practical future option?
> 
> It hasn't been for the last 10 years, and that is likely to
> stay that way. For the type of measurements that JAAA is 
> designed for a log scale wouldn't make much sense.
> 
> The only type of measurement that is usually presented with
> a log frequency scale is the traditional 'frequency response',
> plot and Jaaa isn't the right tool to create that.

As I am just sitting on my desk trying to find a tool to teach basic
filter frequency responses to my students, I wonder what such a tool
could be.

best, P


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