Configuring Audio Settings; Configuring Roi Encoding - Hills NVC-BM1 User Manual

appear not fluent.
4. Click Save to save the settings.

5.4.2 Configuring Audio Settings

Steps:
1. Enter the Audio Settings interface
Configuration > Basic Configuration > Video / Audio > Audio
Or Configuration > Advanced Configuration > Video / Audio > Audio
2. Configure the following settings.
Audio Encoding: 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.

5.4.3 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
Figure 5-25 Audio Settings
41