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Note: This tutorial is using an outdated version of Voice Changer Software Diamond. For the updated tutorial with the newest version 9.5, click here.

Change voice while doing voice chat in Gphone with Voice Changer Software Diamond 7

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The new version of AV Voice Changer Software Diamond has a Virtual Audio Driver (AVnex Virtual Audio Device) which works as a virtual audio & sound device. This device can be used with any VoIP application and Instant messengers for changing voice and/or recording in real-time.

Gphone - a VoIP based software with voice, chat and file transfer functions Gphone is a VoIP based software application with chat, voice and file transfer functions

In this tutorial, we will guide you through the way to set up Voice Changer Software Diamond 7.0 to automatically change voice for voice communication via Gphone


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On VCSD7 main panel, click Preferences to open the Preferences dialog box.

Fig 1: AV Voice Changer Software Diamond [Main GUI]

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

Fig 2: VCSD - Preferences dialog box

Return to VCSD7, choose morphing effects for your voice, and make adjustments until you are satisfied with output voice.
Note: You should have known how to change voice using Voice Morpher feature, and other voice changing features of VCSD.

- Run Gphone

Fig 3: Gphone - Main GUI

- Click on Option button
- In Option windows >> go to Sound tab
- In Playing Device and Recording Device >> Select Avnex Virtual Audio Device
- Click on OK to apply setting.

Fig 4: Gphone - Settings

You can now start voice chatting on Gphone. The morphing settings for your voice will be applied automatically.

Note: While Avnex Virtual Audio Device is being set as default audio driver for Gphone, do NOT turn off Voice Changer Software Diamond 7.0 when voice chatting via Gphone. If you want to stop changing voice, change the audio settings of Gphone back to normal audio source.