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34
Figure 4-27 ROI
Step 4 Click
Apply
.
4.3.3 Audio
Configure the noise filter and sampling frequency of the Camera. When enabling audio encoding,
the network stream contains both audio and video, otherwise, it is only video stream.
You need to click on the upper-right corner of the page, and then select
Camera
>
Encode
>
Encode
to enable the video stream of Sub Stream before enabling the audio.
Step 1 Click on the upper-right corner of the page, and then select
Camera
>
Audio
.
Step 2 Select
Main Stream
or
Sub Stream
to enable audio encoding.
For the cameras with multiple channels, select the channel number.
Please carefully activate the audio acquisition function according to the actual
requirements of the application scenario.
Figure 4-28 Audio
Step 3 Configure audio parameters.
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