A critical discussion of the types of filters used for equalization is presented wherein bandwidth, phase, Q, and response relationships in the frequency and time domains and the effect of each on the audio signal are discussed. Common misconceptions concerning the differences and applications of active and passive filters are laid to rest.

Author: Van Ryswyk, Carl
Affiliation: White Instruments, Inc., Austin, TX
AES Convention: 55 (October 1976) Paper Number: 1177
Publication Date: October 1, 1976

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