5 Mega-pixel Vandalproof IR PoE IP Camera
ICA-E5550V
66
Sound Detection
Sound detection is available on cameras with Audio in capability and is shown on the user
interface only if the
Audio In
function is enabled in
Audio
setup menu. Sound detection is
used to trigger the camera or another camera to perform specific actions or a digital output
device, such as alarms or lights, etc. to respond.
Check the
Enabled
box to enable
Sound Detection
.
The
Trigger Interval
refers to the time interval of the first detected sound to the next detected
sound. For example, if trigger interval is set at 5 (seconds), the next sound detection is
triggered only after 5 seconds. If the next sound is detected 3 seconds after the first sound, the
trigger is not activated.
To set the range or loudness of sound, set the
Trigger Threshold
. This helps define which
sound is considered loud enough to be a trigger. For example, the sound of blowing wind
should not be considered, while the sound of a door creaking is a cause for alarm. The red line
on the Activity graph shows the threshold set at 15%. The blue graph shows the sound activity.
If the blue graph exceeds the red line, sound is triggered.
How to choose the most optimal trigger threshold level. The rule of thumb,
keep the trigger
threshold as small as possible while not causing false alarms.
After changing any of the items above, press
Apply
to save the changes.
Notification message
*Pre
‐
requisites:
SMTP
server
/
HTTP
CGI
server
setup.
