Model Throat Controls let you stretch, shorten, widen or constrict the overall dimensions of the modeled vocal tract.

Graphic Throat Shaping Display lets you individually adjust the position and width of five points in the vocal tract model, from the vocal cords, through the throat, mouth, and lips.

Breathiness Controls let you add variable frequency noise to the model, for a wide range of vocal effects from subtle breathiness, to raspiness, to a full whisper.

Model Glottal Controls let you specify the character and intensity of the glottal waveform produced by the vocal cords.

Pitch control, you can shift the pitch of your vocal up or down a full octave in semitone intervals, with automatic formant correction.