Figure 2
From: A Real-Time Semiautonomous Audio Panning System for Music Mixing
Quasiflat frequency response bandpass filter bank (Type A filter bank for K = 8). (a) Filter bank consisting of a set of eight second order band-pass IIR Biquadratic filters with center frequencies as follow: 100 Hz, 400 Hz, 1 kHz, 2.5 kHz, 5 kHz, 7.5 kHz, 10 kHz, and 15000 kHz. (b) Combined response of the filter bank.