[LAD] detailed spectrum for wide freq range

[fons at kokkinizita.net]

On Fri, Mar 12, 2010 at 03:42:27PM +0300, Andrew Gaydenko wrote:

> The idea (under discussing at some of russian DIY audio forum) is to use 
> multitone signal, compare it before and after audio amplifier and (having such 
> *multiple* results for *different* amplifiers) to try get some - at least 
> partially useful - correlation between results and subjective audio 
> perceptions (in particular, "clearance" - don't know an appropriate English 
> term; it's about how easy different instruments can be "separated" in brain).
> 
> I'm not sure it is a right way, but would like to take participation in the 
> experiment (especially with my last SE-invention :-)).
> 
> Fellows (using appropriate software analyzers under MS win) show very clear 
> spectrum plots for original multitone signal (ten -20db tones in 20Hz - 20KHz 
> range). Having single-boot Linux, I'd want to get something the same :-)

What are the frequencies (in particular the lowest ones) ?

Ciao,

-- 
FA

O tu, che porte, correndo si ?
E guerra e morte !