autowah

Installing

Linux

You will need the port audio C library installed with header files, on Ubuntu 20.04 based distributions the following works:

sudo apt install portaudio19-dev

Running

poetry run autowah &; chrt -b --pid $!

graph LR
    Audio --> EnvelopeDetector
    Audio --> VariableBandwidthLPF
    EnvelopeDetector --> VariableBandwidthLPF  --> AudioOut

Loading

Todo

Done

• Cleanup Envelope Detector implementation
• Implement variable bandwidth filter (needs to be computed per sample)
• Cleanup the variable bw filter
• Tuneable Q filter (IIR)
• Fix the underruns based on the filter len... Or get a better tuneable Q filter in there...
• Finish the autowah integration
• control variables and interactive plot
• Get CI working

Important before Blog Post

• Add a compression block
• Apply to a wav file
• Documentation sweep of the code base
• Breakout unit tests for each section

Blog Post

• Record some videos
• Abstract block type + wiring diagram concept?
• Create plots and gather resources
• Plots of the movable filter. Maybe even some interactive graphics?
• Diagram out architecture of the system
• Write blog post
• Publish

Someday

• Fix exiting the program cleanly
• Migrate to a pyqtplot based UI
• Clean up the scope code