(video requires your browser to support html5)
A 'volwel synth' Pure Data patch inspired by Audionerdz' 'DelayLama'
I did a quick search for harmonic content of vowels, and used bandpass filters to reproduce those
It's a very basic proof of concept, still needs some tweaking to get the vowels right. Feel free to improve!
download the patch here
hear what an improved version sounds like here