WildFX: A DAW-Powered Pipeline for In-the-Wild Audio FX Graph Modeling

Oral Paper 29th International Conference on Digital Audio Effects (DAFx-26) · 2026 · MIT, Cambridge, MA, USA

Accepted as an oral paper at DAFx-26. WildFX appears in Paper Session 5: Sound Design and Effects at MIT in Cambridge, Massachusetts.

Overview

WildFX bridges machine-learning research and professional music-production workflows by giving Python programmatic control over a REAPER digital audio workstation running inside Docker. The pipeline generates multitrack datasets with realistic, heterogeneous audio-effects graphs instead of limiting experiments to isolated or simplified differentiable processors.

What WildFX enables

  • Integration with commercial and open-source plugins in VST, VST3, LV2, and CLAP formats.
  • Complex signal routing, including sidechains, parallel paths, and multiband processing.
  • Scalable, parallelized rendering from compact YAML and JSON project metadata.
  • Research on plugin classification, parameter estimation, mixing-graph inference, grey-box modeling, and music-aware source separation.

An earlier version of this work appeared at the AI Heard That! ICML 2025 Workshop on Machine Learning for Audio.

Qihui Yang, Taylor Berg-Kirkpatrick, Julian McAuley, Zachary Novack.