Chapter 10
Frequency Processors
The equalizer—often shortened to EQ—is the most common type of frequency processor. An equalizer can take many forms, from as simple as the bass and treble knobs on your home or car stereo to multi-band and parametric EQ sections on a mixing console or a graphic equalizer in a PA system. Equalizers were first developed for use with telephone systems to help counter high-frequency losses due to the inherent capacitance of very long wires. Today, EQ is an important tool that’s used to solve many specific problems, as well as being a key ingredient in a mix engineer’s creative palette.
Classical composers, professional orchestrators, and big band arrangers use their knowledge of instrument frequencies and overtones ...
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