Audio Coding: DSP Filter Structures
I kept redesigning the structure of the allpass filters in ALLHaas while working on it and I wanna show you these different variants, because they all have some pros and cons.
Sources:
https://github.com/Mrugalla/ALLHaas
https://kilohearts.com/products/dispe...
https://github.com/robbert-vdh/diopser
Timecodes:
00:00 Intro
00:11 ALLHaas Demo
01:24 ProcessBlock
02:43 Lets Go
03:03 Allpass Filter Types
08:37 Stereo And Slope Combinations
13:38 Updating Parameters
15:17 Terrible Modulation (Sound)
16:37 Crossfade Solution
18:16 Implementing XFadeMixer
20:20 Parallel Processing
22:37 How XFadeMixer Works
24:46 Perfect Modulation (Sound)
25:28 What About Parameter Smoothing
27:10 Filter Structure Matters
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