VTuber Maker is able to recognize sound intelligently to control the behavior of the avatar through sound. When holding a live stream,open it will trigger the MOUTH changes follow your voice,which makes the avatar more vivid.

Turn on the audio based lipsync function.First, move the mouse to the LIP on the navigation bar ,it shows that audio based lipsync :OFF,when you click it ,this function will start.

When speak, you can find the mouth of the avatar opening with your voice. At the same time, you can also record the sound directly with your phone, and play the voice from your mobile .

If the mouth of the avatar isn't change with your voice,and the above steps have been turned on correctly, you can check whether the setting of voice hardware driver is correct.
First,click the NUT on the navigation bar,then you will find DEVICE, and ensure the AUDIO INPUT DEVICE is right, and if correct, the audio based lipsync still isn't respond ,then you can go to the system setting.
Second,open the system SETTING ,then click SYSTEM ,enter the SYSTEM,you will see the SOUND, and test the OUTPUT and INPUT, and check the system voice output setting whether matches what you choose.

If you still can’t solve your problem, you can get in touch with us in the following ways：

• Discord ：https://discord.gg/CaxThpY
  
• Reddit：https://www.reddit.com/r/Live3D/
  
• Twitter：https://twitter.com/VTuber_Maker
  
• Email：service@live3d.io