What kind of soundcard do you have installed? If it is a Soundblaster Live or higher, it does have the ability to do what your asking.
In previous posts on this board, there was a request for
- AV Voice Changer,
click the link to go to that thread. It might be what your looking for. I believe it is shareware. check the homepage, also in link, for newest versions.- Vocoder Plug-in
Basic Edition is FREE and includes 32 fully functional effects- Voice Mask Pro
When you are chatting with text over Internet, you are anonymous. But if you are talking with your voice over Internet, you are no longer anonymous. VoiceMask Pro can change your voice as your wish and even support background music for your conversation. Let's keep your privacy and enjoy anonymous again.