User Manual

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Figure 5-9
5.1.3 Audio
Please note some series products do not support audio function.
The audio interface is shown as below. See Figure 5-10.
Figure 5-10
Please refer to the following sheet for detailed information.
Parameter
Function
Audio enable
Main stream: Recorded file only contains video by default. You
need to check the audio box here to enable audio function.
Sub (Extra) stream: Recorded file only contains video by
default. You need to check the audio box here to enable audio
function.
Encode mode
The encode mode of the main stream and extra stream include
PCM, G.711A and G.711Mu.
The setup here is for audio encode mode and the bidirectional
talk encode both.
5.2 Network
5.2.1 TCP/IP