User's Manual

Table Of Contents
Setting 69
Audio Figure 4-23
Configure Audio parameters. For detailed description, see Table 4-12. Step 2
Table 4-12 Parameters
Parameters
Description
Enable
Audio can be enabled only when video is enabled.
Enable Main Stream or Sub Stream, and the network stream is
composed of both audio and video streams. If you do not select
Main Stream or Sub Stream, then only video images are
transmitted.
Encode Mode
You can select audio encode mode. G.711A, G.711Mu, and AAC are
included.
The configured audio encode mode applies to audio and intercom.
Sampling
Frequency
Audio’s sampling frequency. 8K and 16K are included.
Audio in Type
Two audio types are selectable.
Linein: External audio input source is required.
Mic: External audio input source is not required.
Noise Filter
Enable this function, and the system auto filters ambient Noise.
Microphone
Volume
Adjusts microphone volume.
This function is not available for all devices.