Some articles on the wiki, such as articles about locations, often contain the audio found in that location. Being able to listen to the audio while browsing an article makes a better experience, as the audio is also part of the content that is included in that article.
There are multiple ways to get an audio source onto an article, but most have certain drawbacks. As of writing this guide, you can add in audio on articles in the following ways. Some of the pros/cons might be a little technical, but are not required knowledge to proceed with this guide.