e/Equalization filter

Information
has gloss	eng: An equalization (EQ) filter is a filter, usually adjustable, designed to compensate for the unequal frequency response of some other signal processing circuit or system. In audio engineering, the EQ filter is more often used creatively to alter the frequency response characteristics of a musical source or a sound mix.
lexicalization	eng: Equalization filter
instance of	e/Linear filter