Auto-Tune Pro is the most advanced edition of Auto-Tune. It includes auto mode, for real-time correction and effects, graph mode, for detailed pitch and time editing, and the Auto-Key plug-in for automatic key and scale detection. Auto-Tune Pro also includes classic mode, for the celebrated “Auto-Tune 5 sound,” Flex-Tune and Humanize for more transparent and natural-sounding tuning, Throat Modeling for subtle or extreme vocal transformations, and Transpose for real-time pitch-shifting with automatic formant correction. ...