Crestron
Surround Sound
Primer
Parametric GUI
Parametric equalizers provide the user with an adjustable graphical user
interface (GUI) in addition to an area in which to enter numeric values.
The interface provides a center node to select the center value of the
frequency adjustment. The lines extending on either side of the center
node allow for a bandwidth adjustment (also called an octave range or
"Q"). In the following example of a parametric filter with center
frequency of 4 kHz, a range of frequencies above and below 4 kHz are
also affected. By shortening the octave range, fewer adjacent
frequencies are affected. The area within the shaded portion of this
diagram corresponds to the frequencies that are affected by this
adjustment.
Example: 4kHz Parametric Filter
Primer – DOC. 6122
Surround Sound
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