What is a Decibel? — Logarithms & Math

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In the previous post, we learned that the decibels belongs to a group of units called a relative units. This means that decibels are always expressed as a ratio of a measured value to a known reference value. There is, of course, a bit more to decibels than dividing one number by another, but don’t worry—the math isn’t too bad. We’ll walk you through it nice and slow.

So, why bother with more math in the first place? Shouldn’t it ...

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