Antares Auto-Tune Pro 9 is a pitch correction plugin that includes Auto-Tune and Auto-Key. It's used by artists, producers, and engineers to tune vocals and other audio. Features Auto-Tune: Tunes vocals in real-time Auto-Key: Detects the key of a song and programs Auto-Tune with the correct key signature ARA support: Allows for graphical editing without capturing audio into the plug-in Classic Mode: Switches to the legacy Auto-Tune 5 algorithm Auto Mode: Tightens pitches in real-time without capturing or rendering Graph Mode: Allows for surgical editing Benefits Easy to use and effective Gives you as much manual control as you want Supports ARA (Audio Random Access) for better integration and exchange of information between audio plug-ins and DAWs Related products Auto-Tune Artist, Auto-Tune EFX+, Auto-Tune Access, Auto-Tune Hybrid, and Auto-Tune Pro X.