In the 64-bit FFmpeg section, left-click the link "ffmpeg_64bit_osx.pkg" and save the file anywhere on your computer. Go to the external download page Left-click this link, do not right-click. 3 Alternative zip download for expert users who want to choose their own library location Installing the 64-bit FFmpeg library will not overwrite or delete your 32-bit FFmpeg library if you have one installed. This means that if you are a user of previous Audacity versions on Mac and had installed the optional FFmpeg library then you must now install the 64-bit versions of the FFmpeg library, otherwise your imports and exports that depend upon FFmpeg will no longer work. Īudacity on Mac is now a 64-bit application. Advanced usage: If you already have 64-bit Audacity-compatible FFmpeg 2.2.x or 2.3.x shared libraries in the system PATH, Audacity will use those as long as you do not install FFmpeg from the links below and as long as you do not specify the FFmpeg you want Audacity to use in Libraries Preferences. 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.
Installing FFmpeg for Mac - Audacity Manual
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