Graphic equalizers are easier to use than parametric equalizers, as they implement the filters in a user-friendly manner. It is also helpful in tuning sound systems to adjust to the different acoustic properties of different rooms. It also helps in improving audio detail by boosting the high frequencies and reduces distortions and noise in the output audio signal. A typical five-band graphic equalizer has sliders for five fixed frequency bands, namely:Įach control or slider acts like a filter and allows you to vary the frequency range that passes through the speakers. The number of controls in a graphic equalizer depends upon the number of fixed frequencies it is designed to work on, and the number of frequency channels of the equalizer depends upon its intended use. Thus, the knobs look like a graph depicting the equalizer’s response with respect to its frequency. The vertical position of each slider denotes the gain applied at the frequency band.
The input signal passes through each filter of a particular frequency, and by changing the slider positions, the frequency components of the signal can be boosted or cut. They can be used for boosting or cutting bands of the frequencies of a sound signal, and help users in shaping the audio output and making the best use of the digital music library and speaker setup of specific audio systems.Ī graphic equalizer works like a series of filters. Graphic equalizers are the simplest type of equalizers that consist of multiple graphical sliders and controls that can be used for altering and controlling the frequency response of an audio system.
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