A method of operating the transducer having a housing comprising an inner surface, first and second diaphragms that, together with the inner surface, define a common compartment, the transducer further having a first signal provider configured to convert movement of the first diaphragm into a first signal and a second signal provider configured to convert movement of the second diaphragm into a second signal, the method comprising:
- generating and outputting a third signal from an addition of the first and second signals;
- and
- generating and outputting a fourth signal from a subtraction of the first and second signals.