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6.4.2
Configuring Audio Settings
Steps:
1.
Enter the Audio Settings interface
Configuration >
Basic Configuration >
Video / Audio > Audio
Or
Configuration > Advanced Configuration >
Video / Audio >
Audio
Figure 6-25
Audio Settings
2.
Configure the following settings.
Audio Encoding:
G.722.1,
G.711 ulaw, G.711alaw, G.726, and MP2L2
are selectable. And 32kbps, 64kbps, and 128kbps are supported if
MP2L2 is selected.
Audio Input:
MicIn and LineIn are selectable for the connected
microphone and pickup respectively.
Input Volume
: 0-100
Environmental Noise Filter
: Set it as OFF or ON. When you set the
function on the noise detected can be filtered.
3.
Click
Save
to save the settings.
6.4.3
Configuring ROI Encoding
ROI stands for the region of interest. And the ROI encoding enables you to
discriminate the ROI and background information in compression, that is
to say, the technology assigns more encoding resource to the region of
interest to increase the quality of the ROI whereas the background