This document discusses the use of audio and video in e-content development. It defines multimedia and audio/video, noting their significance in capturing interest and contributing to learning. Advantages for learners include control over pace and selective reading. The document outlines objectives like scripting and manipulating sound waves for audio work. It recommends tools like Audacity for recording and editing audio, and Any Video/Audio Converter for converting formats. Finally, it provides exercises for using Audacity's audio editing features.