Teaching and Learning Concepts of Audio Modulation Using Tangible User Interfaces
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26 November 2022
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Digital technologies form an integral part of sound production. To meet industry requirements, audio processing and modulation are taught in computer science-related courses within modules such as multimedia, data communications and science, technology, engineering, and mathematics (STEM). However, due to the complexity of the subject, teaching and learning audio modulation within traditional settings involves challenges, thereby adversely impacting student engagement. The use of tangible user interfaces (TUI) can potentially improve student experience during teaching and learning, although this type of user interface has not been much explored in the area of sound processing and modulation. As such, this paper investigates the application of a novel TUI-based system to assist in teaching and learning concepts of audio modulation. Using an TUI evaluation framework, the proposed solution was evaluated in order to assess five key constructs, notably learnability, interaction, tangibility, enjoyment, and intention for future use. During the evaluation process, 29 students practically utilized the solution and provided feedback on the constructs assessed. Results revealed an inclination towards agreement for the different constructs investigated, although some limitations were identified. Based on these limitations, recommendations are provided towards improving design of such systems.