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User Manual of Network Speed Dome
© Hikvision
97
Note:
Audio Output, LineOut, and Output Volume are only supported on certain cameras.
Environmental Noise Filter: Select ON or OFF in the dropdown list to enable or disable the
function. It’s recommended to enable the function when sampling rate is lower than 32 kHz.
3. Click
to save the settings.
6.2.3 Configuring ROI Settings
Purpose:
ROI (Region of Interest) encoding is used to enhance the quality of images which are specified in
advance. There are two different ROI methods: Fixed Region and Dynamic Region. When Fixed
Region is enabled, image quality of ROI area will be enhanced and image quality of other areas
will be reduced. When Dynamic Region is enabled, image quality of tracking target will be
enhanced.
Note:
ROI function varies depending on different camera models.
Enter the ROI settings interface:
Configuration >Video/Audio > ROI
Figure 6-23 Region of Interest (1)
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