Key Detect for Schwung
======================

Source code in this repository is Copyright (c) 2025-2026 Charles Vestal and
is licensed under the MIT License (see LICENSE).

The distributed binary, keydetect.so, is a combined work. It statically links:

  - libkeyfinder 2.2.8 (https://github.com/mixxxdj/libkeyfinder)
    GPL-3.0-or-later
  - FFTW 3.3.10 (http://www.fftw.org/)
    GPL-2.0-or-later

so keydetect.so as distributed is licensed under GPL-3.0-or-later
(licenses/GPL-3.0.txt). Corresponding source for both libraries is at the URLs
above; the exact versions are pinned in scripts/Dockerfile. The MIT-licensed
source in this repository may still be reused under MIT by anyone who does not
link those libraries.

Test audio: the GiantSteps Key dataset clips used for accuracy testing are NOT
distributed with this repository. test/download_audio.sh fetches them from
their original source for local testing only.
