: Choose the key of your song (e.g., C Major) or use "Chromatic" if unsure.
While Adobe Audition 1.5 is a legacy version (originally released for Windows 2000/XP), it remains popular for its low system requirements and efficiency. You can achieve the "Auto-Tune" effect in this version through built-in tools or by installing free third-party VST plugins.
: For a "T-Pain" or robotic effect, set this to a very fast speed (near 0 or 10). For a natural sound, keep it higher.