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Thermal & Optical Bi-spectrum PTZ Network Camera User Manual
11.2.1 Audio Input
If a built-in microphone or an external audio pick-up device is available, audio encoding, audio
input mode and input volume are configurable.
Audio Encoding
The device offers several compression standard. Select according to your need.
Audio Input
Select MicIn for the built-in microphone, and LineIn for external audio pick-up device.
Note
MicIn is only supported by certain models.
Input Volume
Adjust the volume of the audio input.
Environmental Noise Filter
Set it as OFF or ON. When the function is enabled, the noise in the environment can be filtered
to some extent.
11.2.2 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
4. Click
, disable the two-way audio function.
11.3 Set ROI
ROI (Region of Interest) encoding helps to assign more encoding resource to the region of interest,
thus to increase the quality of the ROI whereas the background information is less focused.
, move the slider to adjust the volume.
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