[LAU] Sub-Harmonic Synthesizer?

[Ken Restivo]

On Sun, Mar 20, 2011 at 11:47:44AM -0400, Paul Coccoli wrote:
> On Sat, Mar 19, 2011 at 6:23 PM, Josh Lawrence <hardbop200 at gmail.com> wrote:
> > Hi all,
> >
> > This past week I attending a concert of an acappella vocal group that
> > would using a DBX-120A sub-harmonic synthesizer to double the bass
> > singer's voice. ?It sounded amazing, and a little Googling has
> > revealed that this rackmount unit is quite popular. ?Is there anything
> > in the Linux world that does the same thing? ?I am not a programmer,
> > so it would need to be somewhat easy-to-use (trying to fend off the
> > "just make one in puredata!!!" comments here :), lv2 would be awesome
> > too.
> 
> Is this different than a pitch shifter?  Or does it actually
> synthesize some waveform based on the frequency of the incoming
> signal?

And the docs say.... the latter:

http://www.dbxpro.com/120A/

I don't know of anything on Linux which does that, or could be made to do that. Maybe somebody does though (*cough cough* Fons? *cough cough cough*).

-ken