Hello, tinnitus can occur if the nerve of the ear get weak. However if the weakness is mild the hearing loss may not be significant. You typmanogram looks fine. Maybe audiometry will give some clue. If you have done it, pl upload or else do it. In any case there is no definitive medical treatment for tinnitus. There are apps in playstore/appstore for tinnitus relief. Use it every day for for few weeks/months, it should help.
Next Steps
Do Pure tone audiometry and then consult an ENT surgeon online or locally
Health Tips
Avoid loud sound esp thru earphones