Infinite Impulse Response Filtering (Biquad)

This is a demo to go along with my blog post: IIR Audio & Data Filters - Featuring Biquads

Play Sound:

A0 (gain): 1
Alpha1: 0
Alpha2: 0
B1: 0
B2: 0
Off Topic Controls:

Gain Overdrive (100x multiplier)
Tanh distortion postprocess
Post TanH Gain: 8
Disable Filter (hear raw input)

Filter Equation:


Frequency Response:

Phase Response:
   Poles / Zeroes Plot:
Show Frequency Response Estimate (in teal)    Show Frequency Response in dB