will be.
Sampling Rate: When the Audio Encoding is selected as AAC, you can configure
the Sampling Rate in the dropdown list: 16kHz and 32kHz are selectable. The
greater the value is, the better the audio quality will be.
Audio Input: When an intercom is connected to the speed dome, you need to
set this option to LineIn. When a microphone is connected to the speed dome,
you need to set this option to MicIn.
Input Volume: Slid the bar to turn up/down the volume. The value ranges from 0
to 100.
Environmental Noise Filter: When the monitoring environment is very noisy, you
can enable this function to reduce part of the noise.
3. Click to save the settings.
6.4.3 Configuring ROI Settings
Before you start:
ROI (Region of Interest) encoding is used to enhance the quality of images which are
specified in advance.
Enter the RIO Settings interface:
Configuration > Advanced Configuration > Video / Audio > ROI