Configuring Defocus Detection - Hyundai NextGen User Manual

3. Check the checkbox of Sudden Increase of Sound Intensity Detection to detect the
sound steep rise in the surveillance scene. You can set the detection sensitivity and
threshold for sound steep rise.
4. Check the checkbox of Sudden Decrease of Sound Intensity Detection to detect the
sound steep drop in the surveillance scene. You can set the detection sensitivity and
threshold for sound steep drop.
Notes:
Sensitivity: Range [1-100], the smaller the value is, the more severe the change
should be to trigger the detection.
Sound Intensity Threshold: Range [1-100], it can filter the sound in the environment,
the louder the environment sound, the higher the value should be. You can adjust it
according to the real environment.
You can view the real-time volume of the sound on the interface.
5. Click Arming Schedule to set the arming schedule. Refer to Task 2 Set the Arming
Schedule for Motion Detection in Section 10.1.1 for detailed steps.
6. Click Linkage Method and select the linkage methods for audio exception, including
Notify Surveillance Center, Send Email, Upload to FTP/Memory Card/NAS, Trigger
Channel for recording and Trigger Alarm Output.
7. Click Save to save the settings.

10.2.2 Configuring Defocus Detection

Purpose:
The image blur caused by defocus of the lens can be detected, and some certain
actions can be taken when the alarm is triggered.
Note: Defocus detection function varies according to different camera models.
Steps:
1. Enter the Defocus Detection settings interface, Configuration > Event > Smart Event
> Defocus Detection.
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