Uniview IPC675LFW-AX4DUPKC-VG 5MP Outdoor Mini PTZ Active Deterrence Network Camera with Night Vision - Manual (Page 106)

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Set alarm linkage and an arming schedule. See Alarm-triggered Actions and Arming Schedule for
details.
Click Save .
3. Audio Detection
The camera monitors input audio signals and triggers an audio detection alarm when an exception is
detected. Make sure an audio collection device (e.g. sound pickup) is connected, and audio detection is
enabled (see
Audio ).

When audio input mode is Line/Mic.
Go to Setup > Events > Common Alarm > Audio Detection .
Enable Audio Detection .
Set audio detection rules.
Item Description
Detection
Type

Sudden Rise: Detects sudden rising sound volume, and triggers an alarm when the rise of volume
exceeds the difference.

Sudden Fall: Detects sudden falling sound volume, and triggers an alarm when the fall of volume
exceeds the difference.

Sudden Change: Detects sudden rising and falling sound volume, and triggers an alarm when the
rise or fall of volume exceeds the difference.

Threshold: Triggers an alarm when the volume exceeds the threshold.
Difference/T
hreshold

Difference: The difference between two sound volumes. The camera triggers an alarm when the
rise or fall of volume exceeds the difference (range: 0-400). This parameter is applicable when the
detection type is Sudden Rise , Sudden Fall , or Sudden Change .

Threshold: The camera triggers an alarm when the sound volume exceeds the threshold (range:
0-400). This parameter is applicable when the detection type is Threshold .