Handbook for Sound Engineers, 5th Edition

Chapter 27

Filters and Equalizers

by Steven McManus

27.1  Filter and Equalizer Definitions

27.1.1  Pass Band

27.1.2  Stop Band

27.1.3  Cutoff Frequency

27.1.4  Corner Frequency

27.1.5  Bandwidth

27.1.6  Transition Band

27.1.7  Center Frequency

27.1.7.1  Geometric Symmetry

27.1.7.2  Arithmetic Symmetry

27.1.8  Order

27.1.9  Phase Angle

27.1.10  Phase Delay

27.1.11  Group Delay

27.1.12  Transient Response

27.1.13  Minimum Phase

27.2  Passive Filters

27.2.1  First-Order L and C Networks

27.2.1.1  Capacitive Networks

27.2.1.2  Inductive Networks

27.2.2  Second-Order L-Type Networks

27.2.3  T and π Networks

27.2.3.1  Low Pass

27.2.3.2  High Pass

27.2.3.3  Parallel Resonant Elements

27.2.3.4  Series ...