An apparatus including: at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, allow the apparatus to perform at least the following: receiving a background audio signal from an earpiece microphone, the earpiece microphone configured to convert sound from a surrounding environment into the background audio signal; and allow a user of the apparatus to control the generation and characteristics of a noise cancellation signal, the noise cancellation signal configured to interfere destructively with the background audio signal to alter the amplitude of the background audio signal.