User's Manual

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Figure 5-87 Audio detection settings
Step 2 Configure audio detection parameter.
Table 5-28 Description of audio detection parameter
Parameter
Description
Input Abnormal
Select Input Abnormal, and then an alarm is triggered when there is
abnormal audio input.
Intensity Change
Select Intensity Change, and then an alarm is triggered when the
change in sound intensity exceeds the defined threshold.
Sensitivity
The value ranges from 1 to 100. The smaller this value is, the larger the
input sound volume changes are needed for it to be judged as an audio
anomaly. You need to adjust it according to the actual condition.
Threshold
The value ranges from 1 to 100. Configure the ambient sound intensity
you need to filter. The louder the ambient noise is, the larger this value
shall be. You need to adjust it according to the actual condition.