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Enable
: This checkbox enables an audio detection alarm for the camera. Enable Intensity Change: This
checkbox enables intensity change for the camera audio. o Sensitivity is the amount of change required to
increase the audio detected by a percentage. The lower the sensitivity, the more audio variance is
required to trigger an alarm.
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Enable Intensity Change
: This checkbox enables the user to adjust sensitivity and threshold settings for
audio detection.
o
Sensitivity
: The higher the sensitivity, the more likely that audio will trigger an alarm.
o
Threshold
: The lower the threshold, the more likely that audio will trigger an alarm.
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Schedule
: Clicking this button opens a weekly schedule that can be used to set times.
o Click and drag to set audio tampering for certain days of the week. Also, periods of audio detection can
be set for each day and enabled using the period settings on the bottom half of the screen. There are a
total of 6 periods that can be set. 93.
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Anti-Dither
: This field allows the user to set the anti-dither time. The values in this field can
range from 5 to 600 seconds. This time value controls how long the alarm signal lasts. Based on
audio detection, a buzzer can go off, a tour can begin, PTZ can be activated, a snapshot can be
taken, or the camera can begin recording.
o For example, if the anti-dither time is set to 10 seconds, each alarm may last 10 seconds if the local
alarm is activated. During the process, if the system detects another local alarm signal at the fifth second,
the buzzer, tour, PTZ activation, snapshot, record channel functions will begin another 10 seconds while
the screen prompt, alarm upload, email will not be activated again. After 10 seconds, if system detects
another alarm signal, it can generate a new alarm since the anti-dither time has expired.
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Record
: This checkbox allows the user to enable the camera to record video when an audio detection
alarm is triggered.
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Record Delay
: his field specifies in seconds how long the delay between alarm activation and recording
should be.
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Send Email
: This checkbox allows the user to enable the camera to send an email when an audio
detection alarm is triggered.