The document discusses how digital audio is being used to enhance learning in higher education. It suggests that recorded audio can be used to create engaging learning experiences that connect both physical and virtual learning environments. Some examples of using audio that are mentioned include podcasting, digital video, screencasting, and audio feedback. The document then discusses several benefits of using digital audio, such as making learning more motivating, promoting active learning, and allowing for flexible and inclusive learning. It argues that digital audio used in learning environments can support listening, discussing ideas, and providing feedback. Overall, the document promotes experimenting with different ways of incorporating digital audio into teaching and learning in higher education.