The different types, what is used to compare and the unit used to measure that: If you have no idea what’s going on above, stay calm! Let’s move on to a deeper explanation about what those affirmations mean exactly. Any value of decibel is equivalent to a REAL value in the unit that the dB is comparing it with.If we say something has X decibels, we are already comparing two things – in this case the actual number with the unit of reference of the scale we are using. When we talk about dB, we are talking in comparison. All kinds of decibels have their own unit of reference.The dB will always be comparing something to a unit of reference. and what defines that is what’s written after dB. It has to be applied to things like tension, voltage, sound pressure, etc. Meaning that this unit alone doesn’t represent anything. There is more than one kind of decibel. In fact, there’s a bunch.This is a brief list of things you should keep in mind about decibel: That way, more than just explaining the subject, you’ll end up with more skills to record and mix with better results. Today we are going to understand its different types and the practical use of it.
But because in audio we measure in smaller scales, the “deci” was adopted for practical reasons.
And what not many people know is that a decibel is, in fact, the tenth part of a Bel (that’s why “deci”), a unit of measurement created by Bell Labs, telephony company owned by Graham Bell, to measure loss in transmission lines. Even then, very few people understand effectively it importance. If you have ever discussed any audio theory, this certainly was involved – either you acknowledge it or not.
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