Within-subject comparison. Remotely Evaluating latest Advanced Bionics Marvel Sound Processor for cochlear implants, from two adult groups.

Within-subject comparison, standard of care CE marked Advanced Bionics device. Remote Evaluation of new CI Naida M sound processor through speech understanding in quiet and noise using standard clinical tests, subjective feedback on sound quality for a set of listening situations reflecting everyday use and a ease of use questionnaire. Two adult groups, one CI users and the other bimodal users. All tests completed remotely.

Inclusion Criteria:

• CI users with a CI, HiRes90K (Advantage) or HiRes Ultra cochlear implant system

• Unilaterally implanted recipients using only a Naída Q sound processor

• Bimodal users: additionally using hearing aid on their contralateral ear

  • Minimum of 18 years of age
  • Minimum of five years' experience with their Naída Q sound processor
  • Minimum of six months experience with their contralateral hearing aid (if applicable)
  • Ability to give feedback on sound quality
  • Speech intelligibility with the BKB sentence test in noise at a +10 dB SNR > 10% as obtained during previous visits in the clinical routine or BKB >50% in quiet conditions if noise has previously not been tested
  • Fluent in English language

Exclusion Criteria:

• Difficulties additional to hearing impairment that would interfere with the study procedures
• Concurrent participation in any other clinical hearing study
• Not due to have their sound processor upgraded in line with normal clinical procedures

Adult Advanced Bionics cochlear implant users due for a sound processor upgrade in line with normal standard of care. Able to access the internet and undertake tests remotely.