In this tutorial, you will learn how to change voice with AV VoizGame while voice chatting via Yahoo!Messenger.
On VoizGame main panel, Click Settings to open the VoizGame Settings dialog box

In the VoizGame Settings dialog box, we will switch from HookMode to Virtual Audio Driver (VAD) Mode:
- Check on VadMode (1).
- Click OK (2) to apply new setting and close VoizGame Settings dialog box.

Please refer to this tutorial for how to change your voice with AV VoizGame.
- Run Yahoo! Messenger » Log into your account

- Go to Messenger menu » Preferences

- When Yahoo! Messenger Preferences dialog box comes out, choose Video & Voice (1)
- Select Microphone (Avnex Virtual Audio Device) as the microphone input (2)
- Click OK (3) to apply change and close the dialog box.

You can start the voice chat session on Yahoo! Messenger with your voice changed.
Please notice that as long as the AV Voizgame is On, the morphing effects will be applied to your voice automatically. To be back to normal instantly, you will just need to turn the voice changer software off.