WHOOP uses unmodified @breezystack/lamejs 1.2.7, LGPL-3.0.
Copyright Alex Zhukov and contributors. Upstream: https://github.com/shijinyu/lamejs
License: ./LGPL-3.0.txt and ./GPL-3.0.txt; upstream guidance: ./LICENSE.txt
LAME: https://lame.sourceforge.net
Corresponding upstream source at package gitHead: ./source-1.2.7.tar.gz
Commit: 1fb0ef5fa177413107e2e107d054a9b994e3f79c
The encoder is an independent ES module, loaded on demand by a Web Worker.
To replace it, serve a compatible Mp3Encoder export at /vendor/lamejs/lamejs-1.2.7.js.
No reverse-engineering restriction applies to debugging modifications of this library.