Jonathan Schmid-Burgk has released VisualVox VST, a free intonation correction VST Plugin for Windows.
With it you can:
- Shift notes of a voice recording to perfect intonation.
- Fit a voice recording into rhythm by stretching, cutting and moving parts of it.
- Fit a voice recording to another key with minimal pitch changes.
- Produce a perfect vibrato.
- Visualize how right or wrong you can sing.
- Create artificial polyphony from single voice recording.
- Design frequency curves freely with your mouse.
- Let the plugin improve intonation automatically.