SynthModules

All very interesting indeed.  But when one analog modular synth adds
achingly audible hiss to my recordings and others do not, I dump the
noisy one...rightly or wrongly, I guess!

Mike


--- In SynthModules@yahoogroups.com, "grantrichter2001"
<grichter@a...> wrote:
> 
> My personal feeling is that calculating SNR and THD from a 24 
> bit FFT is more accurate than a voltmeter. The FFT shows you its 
> own error contribution, where the voltmeter does not.
> 
> Everybody uses a different method, there is hardly any way to 
> compare such specifications accurately.
> 
> --- In SynthModules@yahoogroups.com, "john mahoney" 
> <jmahoney@g...> wrote:
> > > It might be useful to note that signal to noise ratio is different
> > > than the noise floor. The noise floor is the actual hiss 
> (thermal
> > > noise).
> > 
> > Thanks for clarifying that, Grant!  (I had my doubts when I 
> posted it, but
> > that didn't stop me. ;-)
> > 
> > I was poking around the Bergfotron site, yesterday. It has a 
> chart
> > http://www.idg.se/personal/bergfors/bergfotron/VCA.htm which 
> got me
> > wondering -- there are 2 SNR columns and some "attenuation" 
> columns. Oops!
> > Then I looked at an Analog Devices VCA datasheet that had 
> both SNR and
> > dynamic range specs, and I knew that a correction was in 
> order.
> > --
> > john