Video and Audio
© 2022 System Q Ltd
48
some extent.
11.1.11 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
and select
, move the slider to adjust the volume.
4. Click
, disable the two-way audio function.
11.1.12 Set ROI
ROI (Region of Interest) encoding helps to assigns more encoding resource to the region of
interest, thus to increase the quality of the ROI whereas the background information is less
focused.
Before You Start
Please check the video coding type. ROI is supported when the video coding type is H.264 or
H.265.
Steps
1. Go to
Configuration
Video/Audio
ROI
.
2. Check
Enable
.
3. Select the channel No. according to your need.
4. Select
Stream Type
.
5. Select
Region No.
in
Fixed Region
to draw ROI region.
1) Click
Drawing
.
2) Click and drag the mouse on the view screen to draw the fixed region.
3) Click
Stop Drawing
.