Because "The T-Pain Effect" is older software (and iZotope has moved on to more advanced plugins like Nectar and VocalSynth), it is frequently distributed on "warez" sites as a standalone DLL file.
Maybe you don't want to pay for Antares. Maybe you just want a DLL that creates robotic pitch shifting. Several excellent plugins (DLL files) replicate the extreme Auto-Tune sound without the name brand price. the t-pain effect dll
User controls should let producers dial the effect from subtle tuning to extreme robotic processing: scale/key selection, retune speed, humanize (microvariations), formant shift amount, dry/wet, harmony intervals, and output routing. Because "The T-Pain Effect" is older software (and
Vocoder or pitch-shifting implementation formant shift amount