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EPISODE · Jan 25, 2010 · 21 MIN
What The Heck Is A Decibel? [21:21]
from Professor
Maybe "decibel" is not part of your normal vocabulary but it is a term we all occasionally read or hear used. Typically it has to do with noise levels - we use decibels to describe loud or soft sounds. US government research even suggests a safe exposure sound limit of 85 decibels for eight hours a day. We frequently hear the term but - have you ever wondered what a "decibel" really is? We take a look in this podcast.
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What The Heck Is A Decibel? [21:21]
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This episode was published on January 25, 2010.
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