User's Manual

Audio Input
LineIn and MicIn are available. Select MicIn for the built-in microphone, and LineIn for external
audio pick-up device.
Input volume
Adjust the volume of the audio input.
9.2.2 Environmental Noise Filter
Set it as OFF or ON. When the funcon is enabled, the noise in the environment can be ltered to
some extent.
9.3 Two-way Audio
It is used to realize the two-way audio funcon 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 specicaons of audio input and output
devices f
or device connecon.
• If the device has built-in microphone and speaker, two-way audio funcon can be enabled
directly.
Steps
1. Click Live View.
2. Click
on the toolbar to enable two-way audio funcon of the camera.
3. Click and select , move the slider to adjust the volume.
4. Click , disable the two-way audio funcon.
9.4 ROI
ROI (Region of Interest) encoding helps to discriminate the ROI and background informaon in
video compr
ession. The technology assigns more encoding resource to the region of interest, thus
to increase the quality of the ROI whereas the background informaon is less focused.
9.4.1 Set ROI
ROI (Region of Interest) encoding helps to assigns more encoding resource to the region of
int
erest, thus to increase the quality of the ROI whereas the background informaon is less
focused.
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twork Speed Dome User Manual
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