Environmental Noise Filter; Two-Way Audio; Roi; Set Roi - HIKVISION DS-2DP8A440IXG-LEF/624(F0) User Manual

Stitched panovu camera with ptz
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Audio Encoding
The device offers several compression standard. Select according to your need.
Audio Input
LineIn is supported for external audio pick-up device.
Input volume
Adjust the volume of the audio input.

6.3.2 Environmental Noise Filter

Set it as OFF or ON. When the function is enabled, the noise in the environment can be filtered to
some extent.

6.4 Two-way Audio

It is used to realize the two-way audio function 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 specifications of audio input and output
devices for device connection.
If the device has built-in microphone and speaker, two-way audio function can be enabled
directly.
Steps
1. Click Live View.
2. Click
on the toolbar to enable two-way audio function of the camera.
3. Click
, disable the two-way audio function.

6.5 ROI

ROI (Region of Interest) encoding helps to discriminate the ROI and background information 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 information is less focused.

6.5.1 Set ROI

ROI (Region of Interest) encoding helps to assign more encoding resource to the region of interest,
thus to increase the quality of the ROI whereas the background information is less focused.
Stitched PanoVu Camera with PTZ User Manual
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