With the affordability and pervasiveness of GPS enabled smart phones, downloadable location aware applications have become increasingly popular. These applications include the overlay of local information onto physical sites to multiplayer games and tourism. However, many of these applications rely predominantly on graphical overlays and simple user interface audio. For narrative led location aware experiences, audio can play an important role in immersing the player in the story line and physical location. Coupled interactivity and adaptability of audio to player movements encourage the user to remain engaged with the physical location. This paper describes the theory and implementation of interactive audio for a location aware tourism application. The aim of the application is to create an immersive gaming experience where the audio supports the historical setting and given narrative.
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