[sdiy] STM32F4 synthesis examples
elfenjunge at gmx.net
Sun Feb 3 18:39:12 CET 2013
> Excellent work, Julian!
> Can you tell us any more about what drum voice models you've implemented and how you generate the sounds, or do we have to wait and read the source code when you get to releasing it?!
I will put up more information and fancy voice block diagrams soon. I'm
concentrating on finishing the firmware at the moment.
The whole thing has a virtual analog structure. Each voice has several
wavetable OSCs, 1-2 Envelopes with variable slope, a multimode zero
delay SVF, a LFO, Transient click generator, distortion etc.
in a nutshell:
There are 3 subtractive oriented drum voices with pitch EG and limited
FM capabilities (2 OSCs mixed or fm modded)
a snare voice with 2 mixable oscillators and retriggerable EGs
a snare voice with 3 FM operators and retriggerable EGs
a hihat voice (open/closed) with 3 FM operators
each voice has around 32 tweakable sound parameters.
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