[Fpga-synth] music-dsp list thread about Filterbanks

Theo Verelst theover at tiscali.nl
Wed May 27 02:12:58 CEST 2009


Scott Gravenhorst wrote:
> I've just been to the Sherman Filterbank site:
> 
> http://www.sherman.be/
> 
> While I can hear some interesting effects on the "sounds" page, I can't tell very much about what
> the user is doing with the filter.  There are numerous knobs on the analog design, so I can only
> guess that there's a good bit of tweaking during the recordings.
> 
Doesn´t sound like it would have made much impression or followup if it 
had been a 60s Moog demonstration tape..

> Is this just one of those "play with the knobs, dude" sort of things?  
> 

Well, "Yes, man" in european language has a particular range of 
possibilities, even more than in US english, I really do think.


Oh, the simulation of the Scott synth is getting attention like I 
announced, I installed Jack on XP, maybe it can work on that, too.

A exponential versus linear decay (release) tone can be made on my 
server, with the formula renderer:
 
http://82.171.148.176/cgi-bin/maxwav.tcl?(800*abs(mod(x,1/400)-1/800)-1/2)*exp(-2*x)
 
http://82.171.148.176/cgi-bin/maxwav.tcl?(200*abs(mod(x,1/100)-1/200)-1/2)*(1-x/3)*2

Theo


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