Another major change within the UGH metadata library and the METS editor in Goobi workflow is the new option of displaying audio and video media. This is technically based on techniques available in the browser. For browsers such as Firefox and Chrome, this means that they are capable of playing MP4, WebM and Ogg videos, as well as MP3, WAV and Ogg audio files, for example. In comparison, Internet Explorer supports MP4 videos and MP3 for audio media.