Equalizer (pt2) – Some of Plug-in of EQ

Balance and harmony are considered a standard of sound art by many audio engineers. EQ is one of the most important tools to achieve that. Master EQ shall be treated as you have on hand the most important tool.

Graphic Equalizer

As these devices usually have from 6-30 EQ Filter, using the lever to adjust public / cutting volume for each predetermined frequency. The Filter of Graphic EQ Peaking Filter with bandwidth typically (Q) fixed. Some Graphic EQ Filter in 2 head 2 is Shelving Filter.

The Graphic EQ for one instrument (for example: Graphic EQ for Guitar) often choose important available frequencies of such instrument. Graphic EQ is also common distribution lever (slider) over the frequency range of the rules: each 1 octave (or ½ or 1/3) 1 lever arrangement.


The advantage of this type of EQ is rapidly visualize the effects of EQ eye through the arrangement of the lever.

However, as we all know, EQ effects on multiple frequencies around, so when you cast one slider at 3kHz, it also affects the frequency of next Slider (eg 3,5kHz). So illustration that Graphic EQ gives only relative. Especially when using the filter with very contrasting values.

Because of this reason, Graphic EQ only when the convenience at the forefront and not too demanding about accuracy. That explains why it is rare in the Studio.

Parametric Equalizer

Parametric EQ EQ is to give you form the 3 most important controls: Gain, Frequency, Q. Some even allow you to select the types of filter for each EQ band as highpass / lowpass filter, Peaking Filter, Shelving Filter, Notch Filter …


Parametric EQ advantage of the accuracy and extremely flexible in use but requires experience, understanding of EQ. So when Parametric EQ mix concerts with you … not to assign sound engineer rookie!

Paragraphic Equalizer

This type of hybrid EQ Parametric Equalizer Graphic EQ and. This type often seen in the Mixer and some plugin on your computer.

Its advantage is the ability to combine visual illustrations intensity impact on the frequency of the lever and the ability to select the frequency arbitrary (sometimes includes Q) with additional control buttons!

On the Mixer, so narrow area, they often do not make the lever to control Gain but do always form the spin button.

EQ: Engine important but difficult to use

As mentioned above, using EQ is a very basic skills and important to the studio engineer. Using EQ as play-edged sword, well used, everything in the mix are blended together, listen very harmonious and natural. As used emotional, obviously used for other purposes not hear worse than nonusers.

Using EQ effect is an art and certainly not overnight. It takes you a very sensitive ears forged through many hours of practice to the mix, the mind, the focus.

That is why I emphasize the importance of Studio Monitors in an article about the basic equipment to record at home. You can not practice ear in a sound environment to be dishonest.


Balance and harmony are many sound engineers considered a standard of sound art. EQ is one of the most important tools to achieve that. Master EQ shall be treated as you have on hand the most important tool.

Skills to use EQ is one of the most important skills to distinguish people Amater and Pro. Even if you know how the EQ parameters, using EQ but lacks experience, keen artistic sense, the results are yet to be used.

Again, I emphasize “new ears is crucial”. Make the right investment and focus seriously on the “listen” by myself.

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