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Shelving: Raise or lower a frequency and everything above or below it. A low shelf has a
plateau at the bottom end, a high shelf at the top. This is the kind of EQ behind the
“Bass” and “Treble” knobs on your hi-fi amplifier.
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Low-cut, high-cut: Cuts the frequencies above or below a certain frequency. Also called
high-pass and low-pass filters, the important aspects are where the cut (or pass) starts,
and the slope of the downward curve. A steep slope sounds less natural, but can be more
precise.
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Bell: Boosts/cuts frequencies around a center frequency. At this center frequency, the
boost/cut is maximal. Below and above this frequency, the boost/cut falls back to zero on
both ends of the frequency band, following a bell shape.
The number, size, and shape of the frequency bands differ upon each equalizer implementa-
tion. Moreover, the characteristics (including inaccuracies!) of the analog components, togeth-
er with the way they are used, draw up the sonic character of each device.
Graphic vs. Parametric Equalizers
Most equalizers can be grouped into two main categories:
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Graphic equalizers allow you to change gains for a certain number of fixed frequency
bands. Most of the time, this type of equalizer provides you with a series of vertical gain
faders, each of them controlling the amplification of a particular frequency band, and
from which you can visually shape the overall frequency response of the equalizer (hence
the word “graphic”).
▪
Parametric and semi-parametric equalizers, on the other hand, allow you to adjust further
parameters for each frequency band (e.g. their position, size and shape). This gives you
much more flexibility in altering your input signal. While the exact parameters available
depend on the way each equalizer is implemented, in general you will find the following
parameters or their equivalents for each frequency band:
◦
A frequency parameter (sometimes called cutoff frequency) allows you to define the
center frequency of the band.
◦
A width parameter (sometimes called quality factor, or Q in short) allows you to adjust
the bandwidth to which the amplification/attenuation is applied.
◦
A gain parameter controls the amplification/attenuation applied to the band. Most of
the time, it defines the amplification/attenuation at the frequency set above.
Welcome to SOLID EQ
What Is an Equalizer?
Solid EQ - Manual - 6
Содержание SOLID MIX Series
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