The core of Auto-Tune is in these three controls: It combines automatic tuning with a graphic pitch interface to give you the choice of how you want your vocal to sound, down to every detail.
Auto-Tune works in real-time with next to no latency, meaning you can use it for live performances.
However, Auto-Tune can also offer seamless natural sounding pitch correcting in real-time. It has been popular since the 90s and it is the reason that hard-pitching T-Pain style has become such a staple in modern music. Antares’ Auto-Tune is one of the most famous music production tools ever made.