Innovations in Clinical Care of CE Approved Nucleus Cochlear Implant Recipients

Inclusion Criteria: * Users of a CE approved Nucleus cochlear implant, resulting in open set speech understanding * At least three months of experience with the cochlear implant. * Older than 18 years when entering the study. * Subject is fluent speaker in the language used for assessments. * Open set speech understanding sufficient to complete the study protocol as judged by the investigator. * Willing and able to provide written informed consent Exclusion Criteria: * Unable or unwilling to comply with the requirements of the clinical investigation as determined by the investigator. * Additional health factors, known to the investigator, that would prevent or restrict participation in the audiological evaluations. * Investigator site personnel directly affiliated with this study and/or their immediate families; immediate family is defined as a spouse, parent, child, or sibling. * Cochlear employees or employees of Contract Research Organizations or contractors engaged by Cochlear for the purposes of this investigation. * Currently participating, or participated within the last 30 days, in another interventional clinical investigation/trial involving an investigational drug or device.