Drift uses lamejs 1.2.1 by Alex Zhukov for MP3 encoding. https://github.com/zhuker/lamejs The unmodified standalone source is served as lame-1.2.1.all.js. Upstream commit 32f6198fc9d7dc69894977152a08442607738c40. SHA-256 026bd88846040f357a937cd85821a48492a362eff0812cda734f23fca55fea3b. Licensed under LGPL-3.0. See LAMEJS-LICENSE.txt, LGPL-3.0.txt and GPL-3.0.txt in this directory. No changes have been made to the library.