this post was submitted on 06 Dec 2025
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[–] zout@fedia.io 96 points 4 days ago (1 children)

It's called objective tinnitus. Tinnitus can have different causes, the damaged hair cells one is the most common.

[–] kernelle@lemmy.dbzer0.com 30 points 4 days ago (1 children)

I was with you until: "[...] but it can also be heard by the examiner (eg, by placing a stethoscope over the patient's external auditory canal)." and now I'm even more confused

[–] BanMe@lemmy.world 13 points 3 days ago

The DC power supply inside your ears is only medium quality and so your preamp is prone to picking up coil whine.