what does a graphic equaliser do
An equalizer is a filter that allows a person to control the tone (frequency response), of a sound system. There are two major types, parametric equalizers, and the graphic equalizer.The equalizer itself does not manipulate sound or sound waves.Knowing how an equalizer works is not absolutely necessary to operate one. However, it can help in making accurate judgments about them. The graphic equalizer is set up so you can graphically perceive how the controls are set simply by looking at it.he equalizer itself does not manipulate sound or sound waves. Knowing how an equalizer works is not absolutely necessary to operate one. However, it can help in making accurate judgments about them. The graphic equalizer is set up so you can graphically perceive how the controls are set simply by looking at it.