How to change voice on Counter-Strike Source?

I am needing to know of a great program that can make my voice sound wayy different in counter-strike source, ventrilo or something else. Thanks! I'm also running windows Vista and Fake Voice is a program that doesn't work.How to change voice on Counter-Strike Source?
there are allot of great guides for css and 1.6 here is some links





http://counterstrikesourcetactics.blogsp

counter strike source and tf2 animated spray guide (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

Advanced Strategies for CT de_dust2 for counter strike source and 1.6 (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

Advanced Strategies Part Two: Being a coordinated team.(for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

AK / Colt Video tips (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

all counter strike source console commands cvars complete list css (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

Anticipating the Unexpected when playing counter strike source and 1.6 (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

cs:s weapon spray patterns with pictures (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

ct side strat guide for counter strike source (for counter strike,counter strike source,counter strike 1.6)



http://counterstrikesourcetactics.blogsp

cs:s weapon spray patterns with pictures (for counter strike,counter strike source,counter strike 1.6)