Implantable cochlear system with inner ear sensor

A cochlear implant system comprising:

• a cochlear electrode;
• a stimulator in electrical communication with the cochlear electrode;
• an inner ear sensor configured to receive a stimulus signal from surrounding cochlear tissue and/or fluid of a wearer and generate an input signal based on the received stimulus signal;
• and
• a signal processor in communication with the stimulator and the inner ear sensor, the signal processor having an analog processing stage and a digital processing stage, the signal processor being programmed with a transfer function configured to:
• receive the input signal from the inner ear sensor;
• input the received input signal to the analog processing stage and process the received input signal via the analog processing stage to generate an analog processed signal, the analog processed signal having, compared to the input signal, reduced variability in gain relative to the received stimulus signal across a range of frequencies;
• and
• input the analog processed signal to the digital processing stage and process the received analog processed signal via the digital processing stage to generate a digitally processed signal, the digitally processed signal having, compared to the analog processed signal, reduced variability in gain relative to the received stimulus signal across the range of frequencies such that the analog processing stage and the digital processing stage combine to compensate for variability in a frequency response of the inner ear sensor;
• and
• output a stimulation signal to the stimulator based on the digitally processed signal and the transfer function;
• and wherein
• the stimulator is configured to provide electrical signals to the cochlear electrode in response to the stimulation signal.