So, the cat's out the bag | It's only Audio
Basics of audio filters
Further With Filters
How to Build Audio Filter Circuits - Circuit Basics
Brick-wall" lowpass audio filter needs no tuning - EDN
Practical Filter Design for Precision ADCs | Analog Devices
Butterworth Filter Design, Equations and Calculations
Brick-wall" lowpass audio filter needs no tuning - EDN
Filter Basics: Stop, Block, and Roll(off) | Nuts & Volts Magazine
Low-pass filter - Wikipedia
Filter Basics: Stop, Block, and Roll(off) | Nuts & Volts Magazine
Eight-Outlet Audio Surge Protector | Brick Wall
Practical Filter Design for Precision ADCs | Analog Devices
Two-Outlet Audio Surge Protector | Brick Wall
Equivalent noise bandwidth (ENBW) of window functions - GaussianWaves
DLW Associates FL1718 DLW Associates AM Broadcast Band Brick-Wall High Pass Filters | DX Engineering
Theoretical Background
MQA Time-domain Accuracy & Digital Audio Quality
filtering - Ideal/Brick wall Low/High-pass filters: Fourier approach not working - Mathematica Stack Exchange
Brick-wall" lowpass audio filter needs no tuning - EDN
Antialiasing Filter - an overview | ScienceDirect Topics
High-Pass Filter - MATLAB & Simulink
Low-Pass Filter - Audacity Manual
Ringing False: Digital Audio's Ubiquitous Filter Page 2 | Stereophile.com
