HIKVISION DS-2CD2D21G0/M-D/NF, Руководство пользователя

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DS-2CD2D21G0/M-D/NF User Manual
UM DS-2CD2D21G0/M-D/NF 020319NA 103
Smart Events
You can configure the smart events by following the instructions in this section, including audio exception detection, defocus
detection, scene change detection, intrusion detection, line crossing detection, etc. These events can trigger the linkage
methods such as Notify Surveillance Center, Send Email, Trigger Alarm Output, etc.
Configuring Audio Exception Detection
Purpose:
The Audio exception detection function detects abnormal sounds in the surveillance scene such as a sudden
increase/decrease in sound intensity, and certain actions can be taken when an alarm is triggered.
NOTE: The audio exception detection function varies by camera model.
1. Enter the Audio Exception Detection settings interface, Configuration > Event > Smart Event > Audio Exception
Detection .
Figure 101, Audio Exception Detection
2. Check the Audio Loss Exception checkbox to enable the audio loss detection function.
3. Check the Sudden Increase of Sound Intensity Detection checkbox to detect a steep rise in the surveillance scene
sound. You can set the detection sensitivity and threshold for the steep rise in sound.
4. Check the Sudden Decrease of Sound Intensity Detection checkbox to detect a steep drop in the surveillance scene
sound. You can set the detection sensitivity and threshold for the steep drop in sound.
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Sensitivity: Range [1-100], the smaller the value, the more severe the change must be to trigger the detection.