


After you have installed the FFmpeg Library, close Audacity if you have it open and relaunch the application.Mac install instructions : use the lame_64bit_osx.pkg.Windows install instructions : use the FFmpeg v2.2.2 INSTALLER (.EXE).Use the following links to download the FFmpeg Library and install it:.It is recommended that you exit Audacity before installing FFmpeg. Instead, use the following instructions to download and install the free and recommended FFmpeg third-party library. Because of software patents, Audacity cannot include the FFmpeg software or distribute it from its own websites. The optional FFmpeg library allows Audacity to import and export a much larger range of audio formats including M4A (AAC), AC3, AMR (narrow band) and WMA and also to import audio from most video files.
