[sdiy] My latest project

[Dave Manley]

Tom Wiltshire wrote:
> Hi all,
>
> I'd like to show you what I've been up to recently:
>
> http://www.electricdruid.com/images/dualchannelvoice.jpg
>
> It's a digital/analog hybrid dual channel synth voice. The uP 
> generates two audio channels (currently two pairs of PPG-style 
> wavetable oscillators) and modulation sources (currently four LFOs - I 
> haven't done any envelopes yet.) and outputs 8 CVs via four dual DACs. 
> The 8 CVs control two SSM2044 filters and dual stereo VCAs based on a 
> SSM2164. So it's two channels of DualOsc/Filter/StereoVCA. It's also 
> the thread that ties all the random questions I've been asking together.
> This evening I got the pan law for the stereo VCAs sorted out, and 
> that's the last of the hardware working. It lives!
Hi Tom,

Looks like fun.  Can you give some details of how you implemented the 
oscillator timing in the dsPIC?  Which features of the dsPIC are in use, 
sample rate, etc?

-Dave