Category: 12v Glossary
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Hearing Sensitivity Hearing Sensitivity

Hearing Sensitivity

 
Added by ANT, 03-28-2012 09:35 PM
The human ear is less sensitive at low frequencies than in the midrange. Reducing volume will cause the listener to notice how the bass seems to disappear. To hear low bass requires an adequate SPL level. To hear 25Hz requires a much higher SPL level than to hear 250Hz. In the real world, low frequency sounds are reproduced by large objects, like bass drums, string bass, concert grand pianos, etc. Listen to the exhaust rumble of a 454 cubic inch V8 engine vs. the whine of the little four banger. The growl of a lion vs. the meow of your favorite kitty. As frequency decreases we perceive more by feel than actual hearing and we lose our ability to hear exact pitch.
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