Patent ID: 8682002

Claim:
A host device comprising: a processor; a memory operable to store instructions for the processor; a sound system comprising a digital signal processor; a transducer information circuit coupled to a transducer and configured to generate a transducer identifier; a transducer communication circuit coupled to the transducer information circuit and configured to receive the transducer identifier and to transmit the transducer identifier; and a power extraction coupled to the sound system and configured to extract a power signal from the sound system and to provide the power signal to the transducer communication circuit; wherein the instructions cause the processor to receive the transducer identifier from the transducer communication circuit; retrieve a transducer profile corresponding to the transducer identifier, the transducer profile comprises transducer sensitivity associated with the transducer identifier; and apply a transducer compensation to the sound system on the basis of the transducer profile by causing the digital signal processor to: calculate a sound pressure level (SPL) on the basis of the transducer sensitivity and an output signal from the sound system; to compare the SPL to a maximum safe level; and to cause the processor to display a warning on the display.