Decibel Scale
10:30
Decibel Scale
Aug 12, 2014
Khan AcademyDavid SantoPietro
Every 10 decibel reduction is perceived by the human ear as cutting loudness in half. That is why the quiet you feel the moment a vehicle door closes can feel so calming. That instant hush is no accident. It is Noise, Vibration, and Harshness (NVH) engineering at work. At #Intertek, our teams track down the tiny buzzes, squeaks, and rattles (BSR) that interrupt that calm. Through advanced BSR diagnostics, we pinpoint exactly where unwanted sound begins. Then we help engineers silence it at the s
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Every 10 decibel reduction is perceived by the human ear as cut…
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