What is EQ?
Learn in plain english what an equaliser is
Have you ever wondered what the word “EQ” actually is?
Well, you’ve reached the right place to learn more about what EQ is, what an equaliser is and what does it do.
BUT first… let’s just explain that this isn’t the scientific definition of what EQ is. It’s the down to earth, plain speaking, real world explanation for any beginner looking for the answer to this commonly asked question.
The Definition
EQ is a sound processor for the audible frequency range in which it can reduce or boost the volume of any part of the frequency range.
The frequency range is how sound presents itself which ranges from 20Hz (bass/low) to 20kHz (treble/high) for the human ear.
The frequency range can be split up into bands which is what equalisers use to make an adjustment. The number of bands are determined by the equaliser, this can range from one too many and they can cover part of the frequency range or all of it.
The frequency range can be altered using an equaliser, there are two commonly used types
Types of Equalisers
1. Graphic Equaliser
A graphic equaliser allows you to reduce or boost the volume of a frequency band. These bands are set by the graphic EQ and are not variable, they also do not interfere with another band.
2. Parametric Equaliser
A parametric equaliser allows you to reduce or boost the volume of a frequency band. These bands are variable and can interfere with other bands. The frequency of each band can be defined by the operator, you can also alter the width of the frequency range it covers using the “Q”.
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