You can try to set the ADC Gain and the DAC Gain like belows:
Speaker Volume: 70
Microphone Volume: 1
DAC Gain: -15
ADC Gain: -3
If the issues still happen,please contact me directly.My contact info be shown as below:
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Skype: rick.zhu3
I have the same issue too and have that settings configured. (the people that call me , hear the voice of our staff loud , disrtorted and like a metalic voice).
VS-GGU-E2M0400
Software version 2.0.5
Date 2012-11-09 FPGA 11 Hardware 00
You can try to set the increase the values below:
Speaker Volume: 70
Microphone Volume: 1
DAC Gain: -15
ADC Gain: -3
Or you can contact me directly.My contact info be shown as below:
skype: linda.li258
email: This email address is being protected from spambots. You need JavaScript enabled to view it.