Vibrato Plug-Ins

[zaydonmd]

I am recording vocals onto my computer and am looking for plug-ins / effects that can add realistic vibrato to the human voice. Any assistance is greatly appreciated.

[Michael Quayle]

autotune is the only one I can think of that does that off the top of my head.
http://www.antarestech.com/products/auto-tune3.html

[synthman2]

The Waves MondoMod does that with excellent quality.
www.waves.com (http://www.waves.com)