Here’s a video from Mary Cooch (@Moodlefairy; produced in 2008) which still applies today. Learn how you might structure a foreign language course in Moodle using the directory, images, Glossary/Database, embedding video and mp3s.
Adding mp3s seems like a very easy and useful way to embed foreign language audio into a course for students to play right in the browser.
Check out the 4 minute video below or at this link http://www.youtube.com/watch?v=M9HF8YwmL34.