User Manual

18
If there is more glass environment before the video call is turned on, the sound
wave is returned by the glass, the speaker come with echo is normal. Please adjust
the use environment.
Background sound is louder and there is an interfering sound of hissing during
video communication.
In order to get better voice effects during communication, it is recommended that the
sampling frequency of Microphone should be selected to be 44100HZ (CD sound
quality) or 48000HZ (DVD sound quality): right-click " Speaker" icon at the lower
right of the computer,> " Recording devices" > "Recording" > Set "USB live
camera audio" as default device > "USB live camera audio" > "Properties" >"
Advanced" > Select "44100HZ (CD sound quality)" or " 48000HZ (DVD sound
quality)" ;
Speaker sampling frequency is recommended to select "24-bit 192000HZ" sampling
rate or higher: right click at the bottom right of the computer "Speaker" >
"Recording device" > "Recording" > Settings built-in speaker "Realtek High