Antares Auto-Tune Pro 9.0.1 is a popular vocal processing plugin developed by Antares Audio Technologies. It's widely used by music producers, sound engineers, and vocalists to correct pitch issues, create subtle pitch corrections, and even achieve the distinctive "robotic" or "synthetic" vocal effect.

Here are some of the key features of Antares Auto-Tune Pro 9.0.1:

| Plugin | Price (approx) | Key Features | |--------|---------------|--------------| | | Free | Simple pitch correction, formant shifting | | Graillon 2 | Free / $49 (full) | Bitwig's pitch correction engine, throat modeling | | Waves Tune Real-Time | $39.99 (on sale often) | Low-latency, simple interface | | Celemony Melodyne Essential | $99 | Industry-leading graphical editing (no real-time) | | Synchro Arts RePitch Standard | $199 | ARA2 integrated, intelligent note detection |