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Operation Manual
Figure 6-36 Audio
Step 2
Click
next to Enable in Main Stream or Sub Stream.
For the camera with multiple channels, select the channel number.
Please activate or deactivate the audio acquisition function based on the requirements of
the scene.
Step 3
Configure audio parameters.
Table 6-10 Description of audio parameters
Parameter
Description
You can select audio Encode Mode from PCM, G.711A, G.711Mu, G.
726, AAC, G.723.
Compression
The configured audio encode mode applies to both audio and
intercom. The default value is recommended.
Sampling Frequency
Sampling number per second. The higher the sampling frequency is, the
more the sample in a second will be, and the more accuracy the
restored signal will be. You can select audio Sampling Frequency from
8000, 16000, 32000, 48000, 64000.
You can select audio input type from:
Audio Input Type
●LineIn : Requires external audio device.
●Mic : Not require external audio device.
Noise Filter
Enable this function, and the system auto filters ambient noise.
Microphone Volume
Adjusts microphone volume.
Speaker Volume
Adjusts speaker volume.
Step 4
Click Apply.
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