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.

Open Voice Changer Software Diamond, choose the morphing effects for your voice, and make adjustments until you are satisfied with the output voice.
Click here to learn how to change voice using Voice Morpher feature.
>> Turn your voice into voice of Optimus Prime Robot in Transformer movie?
>> Or wanna make your voice sound like Darth Vader’s voice in Star Wars movie?
- On your web browser, go to https://Imo.im
- Sign in by Imo account or any other of your favorite chat networks (MSN, Skype, Facebook, Yahoo ...)
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- Click to select a friend in Contact list (3) then point to Call and choose whether you want to make an audio call or a video call (4)

- When Adobe Flash Player Settings dialog pop-ups, click Allow to grant the service access to your camera and microphone >> Close

- Click on Settings (5) at the bottom right of the video screen >> Go to Microphone (6) tab >> Select Microphone (Avnex Virtual Audio Device) (7) >> Click Settings again to close.

You can start the voice chat session on Imo.im with your voice changed.
Note: Please notice that as long as the Voice Changer Software 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.