hearing

The human ear can generally hear sounds starting from 30 dB. I have my left ear locked since two weeks (probably because some sinus infection) and in any case doctor suggested to check my hearing.
The result is impressive… I can hear sounds starting from 10dB… even with my locked left year :)))

I always thought I have very bad hearing, but probably the reason is that I hear all sounds around main source of sound I want to hear…  and it takes my attention from this main source away :))))

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