On VCSD7 main panel, click Preferences to open the Preferences dialog box.
![Open VCSD 7 Preferences Fig 1 - Open VCSD 7 Preferences [main panel]](//support.audio4fun.com/images/stories/vcs-tut/April2011/vcsd.png)
In the Preferences dialog box, we will change Hook mode to Virtual Audio Driver mode.
- Check VadMode (1).
- Click the OK button (2) to apply the new settings and close the Preferences dialog box.
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- Run Yahoo Messenger 10, log in your account.
- Click Messenger » Preferences or ( Ctrl+ Shift + P) to open the Y!M10 Preferences dialog.
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- In the Yahoo! Messenger Preferences dialog, choose Video & Voice (1).
- In the Select devices area, choose Avnex Virtual Audio Device for your microphone (2).
- Click OK.
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From now on, VCS Virtual Audio Driver will be the main audio driver recognized by Yahoo Messenger.
Return to VCSD 7, choose the morphing effects for your voice, and make adjustments until you are satisfied with the output voice.
Note: You should have known how to change voice using Voice Morpher feature, and other voice changing features of VCSD.
Start voice conversation with Yahoo Messenger 10. The morphed voice will be applied automatically.
Note: While VCSD Virtual Audio Driver is being set as the audio driver for Y!M10, do NOT turn off VCSD7 when doing voice chat. If you don’t want to use VCSD7, change the audio settings of Y!M10 back to normal audio source.