I can here that ol mill grinding away. Just grinding and grinding away.
Tinnitus.....I have that problem too. Years of being around drill rigs and heavy equipment. Mine is a high pitched whine! Yours sounds like a grinding noise, how annoying!!
Try this:
Lipo-Flavonoid Plus Tinnitus Relief – Doctor-Recommended Ear Health Supplement with Bioflavonoids & Vitamin C for Ringing Ears – OTC Support for Tinnitus & Meniere’s Disease, (150 Count) https://a.co/d/9nlmh0d