Posted by Texasmark1 on May 02, 2018 at 17:47:59 from (184.20.248.170):
In Reply to: OT- Hearing aids posted by coshoo on May 02, 2018 at 14:07:23:
I probably spent $8k looking for a pair that work. I just gave up. My main problems are 3:
1. Frequency deficiency is -90 dB (deci-Bel) at 2k-4k Hz....frequency of the female voice....but the loss came from employment (and I loved my work and would do it again in a heartbeat), not the need to ignore wife's "honey dos". No aid available higher than +30 dB. 2. For a deaf person, words run together and you have to hear the whole sentence and register it to understand what was said....if possible. 3. Background noises and especially low frequencies the are transmitted easier through the bones in your skull drown out conversation. If you have the automatic gain control type the background noise shuts down the gain and you can't hear the speech anyway. 4. Wind is always a nuisance. 5. They are a PIA to put up with, both hygiene and the tickle in your ear, oh gee what did i do with them, oh gee I didn't realize my batteries are dead, oh gee these batteries are out of date ode. oh gee I need some yellow ones and the store only has red and brown...won't fit. 6. etc. etc. etc.
Oops, did I say 3?????
Oh a Decibel, from Encyclopedia Britannica: "One decibel [(0.1 bel), aka a dB] equals 10 times the common logarithm of the power ratio. Expressed as a formula, the intensity of a sound in decibels is 10 log10 ..."
It's like a power ratio of 3dB is a change of 2:1 (up or 0.5:1 down doesn't matter the polarity), of 10 dB is 10:1, of 20 dB is 100:1, 30 dB is 1000:1......my hearing was -90 dB 1,000,000,000:1 below normal with 1 being normal hearing and believe it or not I could hear quite well considering.....amazing critter the human ear.
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