Evaluation of a Stereo Music Preprocessing Scheme for Cochlear Implant Users

Area of Science:

• Audiology
• Music Perception
• Rehabilitation Engineering

Background:

• Cochlear implant (CI) users typically achieve good speech understanding in quiet.
• However, music perception and appraisal remain a significant challenge for most CI users.

Purpose of the Study:

• To evaluate the improvement in music appraisal for CI users using a novel stereo music preprocessing scheme.
• To investigate the correlation between preferred music balance settings and users' speech and pitch detection abilities.

Main Methods:

• A take-home device with a stereo music preprocessing scheme was used by 12 postlingually deafened CI users.
• Participants adjusted music balance for different genres to optimize enjoyment.
• Speech-in-noise perception and pitch detection were measured pre-study.

Main Results:

• All participants significantly preferred adjusted music balance settings over the original.
• Music genre influenced preferred balance adjustments, with 'Golden Oldies' requiring less deviation.
• Individual differences in preferred settings were not explained by perceptual abilities.

Conclusions:

• The stereo music preprocessing scheme effectively improved music appraisal for CI users.
• This technology shows promise as a tool for music listening, training, and rehabilitation in CI users.