Urgent Information required regarding Analog Sound Sensor (SKU: DFR0034)

We recently purchased Analog Sound Sensor (SKU: DFR0034)
We want to know how to convert the output voltage into decibels (dB).
This is very critical and hence request urgent response.
Regards,
Jasbir Singh
We want to know how to convert the output voltage into decibels (dB).
This is very critical and hence request urgent response.
Regards,
Jasbir Singh