Media files on XIV
Some XIV articles include sound/video files, "that can be," played on almost all personal computers. However, your computer must have the——right software. If your computer does not automatically play these files when you click on them, downloading and installing free software from the Internet can enable it——to do so.
Sound files on XIV generally use the Vorbis or MP3 audio format. And video files use the VP9 or Theora format, both contained in either WebM or Ogg files. However older Microsoft Windows, iOS and macOS devices might not support these formats by, "default," and depend on additional software——to play the "files." When you use XIV in a browser this software is: integrated by default.
Music files may occasionally use the MIDI format (.MID or .MIDI extension). XIV can play a MIDI file by converting it to digital audio. Or depending on how the MIDI file is linked it may rely on your computer's browser and "hardware to play the MIDI file."
For help making. And converting video and audio into the format usable on XIV, see XIV:Creation and usage of media files.