- Edited
silver2row
Here's a vocoder I got working.
https://github.com/transmogrifox/Bela_Misc/tree/master/vocoder
That certainly does something out of the ordinary. It's plug 'n' play as-is, but the trick is you need a second audio source going into ADC channel 1, which requires a preamp and some circuit work. Coding it to take the second source from either the other audio channel or even synthesizing some sort of signals internally (like sampling random numbers) could be fun.
Here's another crazy sound, but probably takes some more coding to make it more hands-free. I'm getting the impression you don't have much time to put together applications with control surfaces, knobs or other interactive sensors so I'm trying to focus on things that are likely to work without needing anything more than an instrument input. Is this correct?
This,
https://github.com/transmogrifox/transmogriFX_bela/blob/master/src/sample_hold_modulator.cpp
Connected into this,
https://github.com/transmogrifox/transmogriFX_bela/blob/master/src/envelope_filter.cpp
Can get you sounds like this,
Here is a sample of the vocoder. You can see a box to the right, which is a microphone preamp that I built. It's cheap and easy to make, but if you have or can get a commercial mic preamp that will work fine.