Privacy Masking; Configuring Encoding Settings; Configuring Audio And Video Encoding Settings - Dahua NVR21-4KS3 Series User Manual

Click Apply.
Step 3

5.7.5.2 Privacy Masking

You can mask certain areas of the video image for privacy protection.
Procedure
Step 1 Select Main Menu > CAMERA > Overlay > Privacy Masking.
Step 2 Select a channel.
Step 3 Click
Step 4 Click Add, select the masking type and color, and then draw mosaic or color blocks in the
image as needed.
A masking block appears on the video image.
● The number of masking blocks that you can add might differ depending on the camera.
You can add up to 24 masking blocks.
● Click Clear to delete all masking areas. Click
Step 5 Drag the masking block to a desired position and then configure the type, color and other
parameters.
Step 6 Click Apply.

5.7.6 Configuring Encoding Settings

You can set video bit stream and image parameters.

5.7.6.1 Configuring Audio and Video Encoding Settings

You can set audio and video encoding parameters such as bit stream type, compression, and
Figure 5-70 Privacy masking
to enable privacy masking.
182
to delete a masking area.
User's Manual