On VCSD main panel, click Preferences to open Preferences dialog box.

In Preferences dialog box, we will switch from Hook mode to Virtual Audio Driver mode.
- Check on VadMode (1).
- Click OK (2) to apply the new setting and close Preferences dialog box.

![Fig. 2 - Change from Hook mode to Virtual Audio Driver (VAD) mode [Preferences dialog box]](//www.audio4fun.com/images/tutorials/VCS7/tut23-02.png)
- Run Second Life, and log in your account.
- Choose Me menu (1) » Select Preferences command (2) to open Preferences dialog.
In the Preferences dialog box:
- Select Sound & Media category (3).
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- On the right panel, press Input/OutPut Devices button (4).
- In the Input device section, change the Microphone settings into “Avnex Virtual Audio Device”.

- Click OK button (6) to submit the new settings and close this dialog box.
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From now on, VCS Virtual Audio Device will be the main audio device used by Second Life Voice Client.
Return to VCSD, 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.
You now can do voice conversation with Second Life. The morphing settings for your voice will be applied automatically.
Note: While VCS Virtual Audio Driver is being set as the audio driver for Second Life, do NOT turn off VCSD when doing voice chat in Second Life. If you don’t want to use VCSD, change the audio settings of Second Life back to normal audio source.