This document provides information on creating and using audio materials in the classroom. It discusses digital audio file formats and devices, as well as ways to stream, podcast or listen to audio online. Guidelines are provided for using audio in lessons, such as checking volume and giving alternatives if playback fails. The document concludes by explaining an activity where students will be divided into groups to create an original audio material using Audacity software. They will be evaluated on the technical quality, creativity and usability of their audio creation.