PH,
My ENT specialist told me that T does not compromise a pilots' career as long as your hearing is within the predefined limits and you can cope T.
He recommends an ANC headset like Bose.
About your concerns of noise across the flight deck. Generally, the human ear can withstand 80db for 8 hours.
Db has a logarithmic scale: 80db for 8 hours, 83db for 4 hours, 86 for 2 hours; 89 for 1 hour, etc
So the louder it gets, the more important you protect your ears with earplugs or ANC headset.
If the average cockpit noise is around 70db cruise level, you should be fine.
Keep in mind that you don't 'over protect' your ears. By over protecting, the ears might become more sensitive to noise.
You need to find a good balance.
Also try to not focus too much on it (I know, not easy...)
I hope your T is not getting worse!
If you have more questions, just let me know!
Last edited by Dreamflight80; 18th Apr 2018 at 06:53.