[sdiy] Hybrid synth senior design project

ulfur hansson ulfurh at gmail.com
Mon Dec 5 12:13:50 CET 2022

your material has been incredibly helpful to me, thank you so much for
your inspiring approach and sharing your wealth of knowledge!


mán., 5. des. 2022 kl. 09:03 skrifaði Lanterman, Aaron D via Synth-diy
<synth-diy at synth-diy.org>:
> The senior design team I advised this semester built this proof-of-concept prototype. It has an Adafruit Grand Central M4. Waveform is generated by spitting samples out of a one-cycle wavetable out the 12-bit built in DAC on the microcontroller; filter and VCA are SSI2144 and SSI2164 controlled via PWM, with the envelope create in software:
> https://youtu.be/fLYMtNXaxKE
> I think I forgot to tell them to add a volume control, so I think they may be overdriving the input stage of the cheap speakers they had on hand for the demo. ;)
> This project focused on getting the “engine” running. I’m hoping I can talk a future team into refining the design, adding a nice UI with patch storage, a computer patch editor, more voices, etc.
> Aaron Lanterman, Prof. of ECE, Georgia Tech
> My blog on Education and Innovation: https://edupocalypsenow.wordpress.com
> My blog on Electronics and Programming: https://lantertronics.blogspot.com
> My YouTube channel on Electronics and Programming: https://www.youtube.com/c/lantertronics
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.•°~ Úlfur - Arborescence on Spotify

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