4.6.2.2 Audio exception detection
There are two types audio detection alarm:
1. Audio input abnormally: when the audio input of the camera input abnormally, then it will
trigger the alarm;
2. Strong sound intensity: When there is a sudden strong sound input, then it will trigger the
alarm.
3. Sound intensity dropped sharply: When the sound intensity drops sharply, then it will
trigger the alarm.
Schedule, Sensitivity and linkage action can be set, shown as picture below:
Figure 4-102 Audio exception detection
4.6.3 Statistics
4.6.3.1 Crossing line statistics
Here user can enable this function, camera will count how many people get in and how many get
out. Shown as figure below:
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