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4.7.7
Audio Detection
Audio detection detects input audio signals. An alarm is reported when an exception is detected.
Make sure an audio collection device (e.g. sound pickup) is connected, and audio detection is
enabled.
1. Go to Menu > Alarm > Audio Detection.
2. Select the desired camera, and click Enable.
3. Set the alarm-triggered actions and arming schedule. Click the corresponding
Trigger Actions page and Arming Schedule page respectively. See 4.7.5.2 Alarm-triggered Actions
and 4.7.5.3 Arming Schedule for details.
4. Set audio detection rules.
Item
Detection Type
Description
Select an audio detection type from the drop-down list.
• Sudden Rise: An alarm occurs when the rise of volume
exceeds the set value.
• Sudden Fall: An alarm occurs when the fall of volume
exceeds the set value.
• Sudden Change: An alarm occurs when the rise or fall of
volume exceeds the set value.
• Threshold: An alarm occurs when the volume exceeds the set
threshold.
161
UNIGUARD 4 & 8 HDD Series
to go to the
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