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What The Heck Is A Decibel? [21:21]
Maybe "decibel" is not part of your normal vocabulary but it is a term\nwe all occasionally read or hear used. Typically it has to do with\nnoise levels - we use decibels to describe loud or soft sounds. US\ngovernment research even suggests a safe exposure sound limit of 85\ndecibels for eight hours a day. We frequently hear the term but - have\nyou ever wondered what a "decibel" really is? We take a look in this podcast.