13.6 Configure the settings relating to the audio detection [Audio detection]
Click the [Audio detection] tab on the “Alarm” page. (→9.1 How to display the setup menu, 9.2 How to operate the setup menu)
The settings relating to audio detection can be configured in this section. When the configured audio detection level is exceeded, the alarm action will be performed.
The audio detection level can be adjusted in 10 levels.
In order to use the perform audio detection, audio settings must be configured. (→11.11 Configure the settings relating to audio [Audio])
IMPORTANT
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The alarm occurrence indication button will be displayed when sound is detected by the audio detection function. (→1.2 About the “Live” page)
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The alarm occurrence indication button will also be displayed when receiving an alarm input of a terminal alarm or a command alarm.
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Notification may be delayed in some network environments even when “Real time” is selected for “Alarm status update mode” on the [Basic] tab of the “Basic” page. (→10.1 Configure the basic settings [Basic])
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The audio detection feature is not designed to be used in situations that require high reliability. We are not responsible for any accidents or damages that may occur.
Preview
Displays a preview of the settings and the actual audio detection status.
[Audio detection]
Select “On” or “Off” to determine whether or not to perform audio detection.
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On: Performs audio detection.
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Off: Does not perform audio detection.
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Default: Off
Note
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The volume level for when audio detection is performed can be changed in “Mic input volume (Camera to PC)” on the [Audio] tab of the “Image/Audio” page. (→11.11 Configure the settings relating to audio [Audio])
[Audio detection level]
Select the level at which the camera determines that there is sound in the area around the camera when detecting sound.
If you only want to detect loud sounds, raise the audio detection level; if you also want to detect quiet sounds, lower the audio detection level.
Configure the audio detection level
Alarm occurrence indication button
Mic input button
Audio detection level
The current volume level
Range of volumes to be detected
1.
Check the audio detection level and current volume level.
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The volume level configured in “Mic input volume (Camera to PC)” on the [Audio] tab of the “Image/Audio” page is displayed in the preview.
2.
Adjust the “Audio detection level” with the slider bar so that it is lower than the volume level that you want to detect.
3.
Adjust the “Mic input volume (Camera to PC)” on the [Audio] tab of the “Image/Audio” page as necessary. (→11.11 Configure the settings relating to audio [Audio])
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The settings and the actual audio detection status are displayed on the bottom of the screen. If the volume level goes above the audio detection level, a red bar, which indicates that sound has been detected, is displayed.
If further adjustments are required, repeat from step 2.
Note
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“Audio detection” can only be used when “Mic input” or “Interactive(Full-duplex)” is selected for “Audio transmission/reception” on the [Audio] tab of the “Image/Audio” page. (→11.11 Configure the settings relating to audio [Audio])
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Noise or other unwanted sound from the surrounding area may be mistakenly detected.
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Only the volume of the sound determines whether sound is detected or not, the type of sound does not matter.