A device is disclosed, the device comprising a least one microphone, at least one output audio transducer driver, at least one processor, a storage comprising a set of instructions executed locally, wherein the set of instructions causes the processor to: continuously measure an ambient sound pressure level when the device is an on state, calculate a sound pressure level of the output audio transducer driver when the output audio transducer is active, combine the two sound pressure levels into a total sound pressure level.