Sir/mam I was playing different frequencies with the frequency generating apps in mobile and I was listening to high frequencies ranging 16000 -17000 with low sound intensity of mobile speakers approximately 50-60% level out of total sound level of my phone so my query is will it have caused permanent hearing loss ...pls answer sir/mam I am worried??
When holding my breath if i humm with out actually makimg a hummin noise i can make a very loud high pitc
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