Dodo Bird has released Super Eel v2.0, a free VST effect plug-in for Windows that functions as an Audio to MIDI processor as well as a fully fledged synth and effect unit. The full source code is also available.
Super-Eel does 4 different things:
- Audio In » Synthesized sound Out
Like Super Eel 1.0, Kantos, Alien Solo, etc. - Audio In » MIDI Out
To play another synth. - MIDI In » Synthesized sound Out
Just like a normal VSTi, read the manual to see how to use this feature. - Audio In » Processed audio Out
Super Eel 2.0 contains pitch following filters, delay and distortion.