The most efficient way to "download" these decoders is through your system's official or community-supported package managers, rather than manual website downloads.
provides the necessary plugin for the default GNOME video player (Totem). 2. Fedora mpeg-4 aac decoder linux download
This will pull in the or FDK-AAC libraries needed for MPEG-4 playback. 3. Arch Linux The most efficient way to "download" these decoders
This package includes the MPEG-4 AAC decoder, H.264 decoder, and other proprietary media formats. mpeg-4 aac decoder linux download
When looking for a "download," you will often encounter these specific library names: Encode/AAC - FFmpeg Bug Tracker