The process of listening to an audiobook is usually a rather passive act that does not require an active interaction. If spatial\ninteraction is incorporated into a storytelling scenario, can open. Possibilities of a novel experience which allows an active\nparticipation might affect the user-experience. The aim of this paper is to create a portable prototype system based on an\nembedded hardware platform, allowing listeners to get immersed in an interactive audio storytelling experience enhanced by\ndynamic binaural audio rendering. For the evaluation of the experience, a short story based on the horror narrative of Stephen\nKingâ??s Strawberry Springs is adapted and designed in virtual environments. A comparison among three different listening\nexperiences, namely, (i) monophonic (traditional audio story), (ii) static binaural rendering (state-of-the-art audio story), and (iii)\nour prototype, is conducted. We discuss the quality of the experience based on usability testing, physiological data, emotional\nassessments, and questionnaires for immersion and spatial presence. Results identify a clear trend for an increase in immersion\nwith our prototype compared to traditional audiobooks, showing also an emphasis on story-specific emotions, i.e., terror and fear.
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