[sdiy] FPGA based synthesizer progress....

[Eric Brombaugh]

Jim Patchell wrote:
> It is slow progress, but it is being made.  I just got the envelope 
> generator core working.  This sucker was a lot more difficult to do than 
> I thought.  It implements 512 ADSR envelope generators that can run at 
> 96K samples per second.  I already have 512 NCOs running...so, now all I 
> need to do is get the VCA/Mixer running and connect that to my I2S 
> core...and I will have a simple digital synthesizer with 512 voices...
> 
> As soon as I get this done, I will be posting it...on my website, and 
> maybe Opencores.org.

Sounds neat. What hardware are you targeting right now - is it something 
custom you've built, or is it one of the readily-available development 
systems?

Also - how do you plan to control 512 voices?

Eric