Patent ID: 9607628
Date: 2017-03-28
CPC Classifications: G10L,H03F,H03G,H04R

Claim:
1. An audio system comprising: an audio processor for receiving an audio input signal and outputting an audio output signal; an amplifier coupled to the audio processor; a loudspeaker coupled to the amplifier; a distortion estimator configured and arranged to determine an expected response of the amplifier and/or the loudspeaker to at least one of the audio input signal and the audio output signal; a controller coupled to the distortion estimator and the audio processor; wherein the distortion estimator is operable to generate a distortion prediction signal in dependence of a difference between an expected non-linear response of the loudspeaker and/or the amplifier and an expected linear response of the loudspeaker and/or the amplifier; and wherein the controller is configured and arranged to vary the operating parameters of the audio processor in dependence of the generated distortion prediction signal.