Forever For Now has released Diatonic Shifter, a realtime diatonic pitch shifter for shifting audio in a custom musical key. It works on any number of input and output channels at any sample rate and has adjustable A440 tuning frequency, quality and oversampling settings.
Feature list:
- Diatonic pitch shifting and harmonizing on a per note basis.
- User configurable tuning frequency for the A440 note.
- Adjustable tracking delay setting to prevent note detection jitter.
- Works on any amount of input and output channels at any sample rate.
- Adjustable FFT size ranging from 512 to 8192 and dynamic oversampling.
- Three different windowing types: cosine, Hamming and Hann.
- Industry standard Cocoa user interface and compliance.
Diatonic Shifter is available as a Universal Binary Audio Unit for use with Mac OS X 10.4 (Tiger) or higher and it is free.