Dahua IPC-HDW2449T-S-IL Dahua Network Camera Web 5.0 Operation Manual V1.0.7

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Figure 6-67 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 congured 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 "6.5.1.2

Alarm Linkage".

If the exiting schedules cannot meet the scene requirement, you can click Add Schedule

to add a new schedule. For details, see "6.5.1.2.1 Adding Schedule".

Step 4 Click Apply.

Operation Manual

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Dahua IPC-HDW2449T-S-IL 4MP Smart Dual Light Fixed-focal Eyeball WizSense Network Camera