“knowing the curve of one’s hearing can help guide anyone adjusting the curve of their room.”
This is so true. It’s likely that many here are ladies and gentlemen of a certain age.
A quick web search reports almost 1 in 3 adults experience hearing loss between the ages of 65 and 74. Age fifty is another common loss point. After age 75, about half of all adults have trouble hearing. Men are twice as likely as women to lose some hearing.
Good hearing aids are tuned to boost hearing in the bandwidth(s) lacking. Talk about a fundamental component should/could well be yourself.