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Audio Input
Select MicIn for the built-in microphone, and LineIn for external audio pick-up device.
Note
MicIn is only supported by certain models.
Input volume
Adjust the volume of the audio input.
5.2.2 Environmental Noise Filter
Set it as OFF or ON. When the funcon is enabled, the noise in the environment can be ltered to
some extent.
5.3 Two-way Audio
It is used to realize the two-way audio funcon between the monitoring center and the target in
the monitoring screen.
Before You Start
●
Make sure the audio input device (pick-up or microphone) and audio output device (speaker)
connected to the device is working properly. Refer to specicaons of audio input and output
devices for device connecon.
●
If the device has built-in microphone and speaker, two-way audio funcon can be enabled
directly.
Steps
1.
Click Live View.
2.
Click on the toolbar to enable two-way audio funcon of the camera.
3.
Click and select , move the slider to adjust the volume.
4.
Click
, disable the two-way audio funcon.
5.4 ROI
ROI (Region of Interest) encoding helps to discriminate the ROI and background informaon in
video compression. The technology assigns more encoding resource to the region of interest, thus
to increase the quality of the ROI whereas the background informaon is less focused.
Network Speed Dome User Manual
27
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