User Manual

14
5.Question & answer for Sound:
If the camera has been recognized by the system and installed the driver
automatically, however the video call and video playback without sound, even noise
or echo. Please refer to the following ways to solve the problem:
1).There is no sound in the video call; The sound is interrupted or there is no
sound in video playing:
①When the "MIC IN" connector on the Windows computer's built-in sound card is not
connected with an external microphone, the "Stereo mix High Definition Audio" is
turned on or set it to the default sound input device (microphone) of the computer, it
cannot be recorded normally, and the other party cannot hear our voice in video
chatting. It is recommended to click on the "Recording" tab > "Stereo mix High
Definition Audio" option > select "Disable".
②If you don‟t use a headset, please right-click on the lower right corner of the
computer "Speaker" > "Recording devices" > "Recording" tab and select "USB
Live camera audio" > "Properties" > "Listen". If the "Listen to this device" is
checked on the tab, the Microphone will interfere with the speaker frequency to
produce a howling sound. Please uncheck "Listen to this device".
③Maybe your microphone is closed or the volume is near to zero.
Right click on the speaker icon in the bottom right corner of the computer screen ,
"Speaker" > "Recording device" > "Recording" tab > select "USB Live camera
audio" as "Default device" or "Default audio device"in "Set as Defaut";
"Properties" > "Level" sets " " to " " ,adjust the sound volume of "USB
LiveCamera Audio" to medium or higher volume;