does anyone know of any voice processor/effects for the PC?

[johneetrash]

my friend just bought a digitech voice processor but that cost 300 bucks and all i wanan do is mess aroudn with it anyway... does anyone know of any free/cheap ones?

 

[Rob9874]

Like this?

http://www.research.att.com/~ttsweb/cgi-bin/ttsdemo

Edited as the first URL sucked.