Open Source

Open Source Notices

Narration Room includes open-source components. This page provides source and license materials for the LGPL-covered LAME MP3 encoder used for MP3 export.

LAME / libmp3lame

LAME LGPL Source Package

Narration Room uses LAME as a separate replaceable library,libmp3lame.dylib. The package below contains the corresponding LAME source, LGPL license texts, a rebuild script, and replacement instructions.

Download LAME 3.100 Latest package

LAME version: 3.100
License: LGPL-2.1-or-later
Bundled library path: Narration Room.app/Contents/Frameworks/libmp3lame.dylib
Questions: contactnarrationroomcom

This package is keyed to the LAME source version rather than the Narration Room app build number. If the LAME source or replacement materials change, this download is updated.