[Fpga-synth] Digital Waveguide Monosynth

[Jay Vaughan]

Awesome, ScottG!  I'm gonna have a go at getting this running on my  
Spartan3AN board tomorrow ..  I'll let you know how it goes .. maybe  
I have some hardware hacking to do first though, for MIDI eh?

j.


On Aug 5, 2007, at 1:47 AM, Scott Gravenhorst wrote:

> http://www.fpga.synth.net/pmwiki/pmwiki.php? 
> n=FPGASynth.DigitalWaveguide
>
> At the bottom of the article, I've added a zip file with the  
> Verilog source
> for a monosynth based on my digital waveguide experiments.  I found  
> several
> bugs in my code which I've fixed.  I also enhanced the project for  
> use as a
> monosynth.  The synth has switch selectable excitation of  
> rectangular or
> saw pulse.  The filter interface has been modified to "linearize" it's
> response depending on whether you are doing strings or drums.  In  
> either
> case, the algorithm tends cause the entire keyboard range to generally
> sound the same with respect to timbre.  Without this, it was  
> possible to
> set the filter such that at the low end, you got strings, but at  
> the upper
> end, you got drums.
>
> Hold a key down and trill another... (c:
>
> -- ScottG
>
> -------------------------------------------------------------
>
> -- Scott Gravenhorst
> -- GateMan I - Xilinx Spartan-3E Based MIDI Synthesizer
> -- FatMan: home1.gte.net/res0658s/fatman/
> -- NonFatMan: home1.gte.net/res0658s/electronics/
> -- When the going gets tough, the tough use the command line.
>
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;
--
Jay Vaughan