DECIBELS (dB) EXPLAINED: 5 Things You NEED to Know

In this video, you'll learn everything you (probably) need to know about decibels. This video contains a simple explanation of decibels as they relate to audio production and audio engineering.

For most people working in professional audio, learning these key principles about the decibel will be sufficient. You'll learn what the decibel is, why decibels are used, and how to calculate decibels.

0:00 - Intro
0:27 - 1.) Decibels Can Represent Large Ratios Using Simple Numbers
2:29 - 2.) Using Decibels Requires a Reference Point
3:48 - 3.) A Decibel Is 1/10th of a Bel
5:10 - 4.) The Decibel Is Always a Power Related Ratio
6:44 - 5.) 3 dB Indicates a Doubling of Power, 6 dB Indicates a Doubling of Voltage or Sound Pressure

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