Summary
In the initial fit condition using a power dome coupling, the Elehear Alpha demonstrated a significant performance gap between entertainment and speech functions. Music streaming quality scored 4.20 out of 5, well above the category average, and feedback handling achieved a perfect 5.00 score. However, speech intelligibility tested poorly with scores of 1.20 for speech in quiet and -0.10 for speech in noise—both well below average. Own-voice comfort scored just 0.70, indicating substantial occlusion effects. The overall initial fit score of 1.50 reflects these limitations for core hearing assistance tasks.
The tuned fit condition maintained identical settings with the same power dome coupling, resulting in no measurable improvement over the initial fit. All metrics remained unchanged: speech in quiet at 1.20, speech in noise at -0.10, feedback handling at 5.00, own-voice at 0.70, and music streaming at 4.20. This suggests the device's app-based adjustments offer limited flexibility to optimize speech performance for a moderate sloping hearing loss profile. The fit score remained at 1.50, indicating that professional tuning efforts could not overcome the device's fundamental performance limitations in our testing protocol.
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