Samsung WB350F User Manual (en)

Using the Baby Monitor
Wireless network
Adjusting the noise level for alarm activation
You can set the level of noise that will activate an alarm while using sound 
monitoring. Press [D/c] to adjust the noise level.
Noise level for alarm 
When the camera 
detects noise 
that exceeds the 
designated level for a 
short period, an alarm 
will sound.
: Sensor sensitivity
Do not use this feature for illegal purposes.