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→Noise
==== Noise ====
Noise is essentially randomness in the signal. Being chaotic, noise transmits little information, other than that it is noise. Whereas a signal indicates timbre, pitch, and harmony, noise does not convey any of these qualities. The timbre of a guitar can change based on playing style, string gauge, pickups, woods, build quality...noise is always noise. ==== Notch EQ ====Usually has multiple bands, but is designed to provide very high Q band-stop filters to create narrow "notches" in the frequency response to filter out offensive frequencies - can be useful to remove an unwanted fixed frequency fizz or hiss or hum.
==== Note ====