Prerequisites:

• 1. You have the latest version of VoiceMask Pro installed.
• 2. You have a full-duplex sound card, MIC and speak or headphone installed.
• 3. Your PC have Windows 98 or Me or NT4 or 2000 or XP and IE5 or higher installed.

Step 1: Run VoiceMask Pro

Step 2: Set your voice by clicking Option button

Step 3: Change your voice's pitch

Dragging left will make your voice more feminine and right for more masculine. Close this Dialog.

Step 4: Preview your changed Voice.

Step 5: Stop Test

Step 6: Run Yahoo Messenger or other chat applications, join a chat room and enjoy the changed voice

Note: You can not hear your changed voice here. But other guys in this room will.