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User Manual of Thermal Network Speed dome
7.2.2 Configuring Audio Settings
Steps:
1. Enter the Audio settings interface
Configuration > Video/Audio > Audio
2. Select the channel No. from the dropdown list.
3. Configure the following settings.
Audio Encoding: G.722.1, G.711ulaw, G.711alaw, MP2L2, G.726 and PCM are
selectable.
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.
Audio Stream Bitrate: When the Audio Encoding is selected as MP2L2, you can
configure the Audio Stream Bitrate in the dropdown list. The greater the value is, the
better the audio quality will be.
Sampling Rate: When the Audio Encoding is selected as MP2L2, you can configure the
Sampling Rate in the dropdown list. The greater the value is, the better the audio quality
will be.
Input Volume: Slid the bar to turn up/down the volume. The value ranges from 0 to
100.
Environmental Noise Filter: Select ON or OFF in the dropdown list to enable or disable
the function. It's recommended to enable the function when the sampling rate is lower
than 32kHz.
4. Click
7.2.3 Configuring ROI Settings
Purpose:
ROI (Region of Interest) encoding is used to enhance the quality of images which are
specified in advance. There are two different ROI methods: Fixed Region and Dynamic
Region. When Fixed Region is enabled, image quality of ROI area will be enhanced and
image quality of other areas will be reduced. When Dynamic Region is enabled, image
quality of tracking target will be enhanced.
© Hikvision
www.a1securitycameras.com email: sales@a1securitycameras.com
Figure 7-23 Audio Settings
to save the settings.
Available from A1 Security Cameras
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