Dahua Technology WizMind IPC-PDBW82041-B360, Operation Manual

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Operation Manual
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Figure 6-57 Audio detection
Step 2 Set parameters.
● Input abnormal: Click
next to
Audio Abnormal
, and the alarm is triggered
when the system detects abnormal sound input.
● Intensity change: Click
next to Intensity Change , and then set Sensitivity
and Threshold . The alarm is triggered when the system detects that the sound
intensity exceeds the configured threshold.
◇
It is easier to trigger the alarm with higher sensitivity or smaller threshold. Set a
high threshold for noisy environment.
◇
The red line in the waveform indicates audio detection is triggered, and the
green one indicates no audio detection. Adjust sensitivity and threshold
according to the waveform.
Step 3 Select the schedule and arming periods and alarm linkage action. For details, see
"6.4.1.2 Alarm Linkage".
If the exiting schedules cannot meet the scene requirement, you can click Add
Schedule to add a new schedule. For details, see "6.4.1.2.1 Adding Schedule".
Step 4 Click Apply .
6.5 Storage
Display the information of the local SD card. You can set it as read only or read & write; you can
also hot swap and format SD card.