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Volume: 35 | Article ID: 3DIA-108
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Assistive mobile application for real-time 3D spatial audio soundscapes toward improving safe and independent navigation
  DOI :  10.2352/EI.2023.35.17.3DIA-108  Published OnlineJanuary 2023
Abstract
Abstract

Assistive technologies are used in a variety of contexts to improve the quality of life for individuals that may have one or more vision impairments. This paper describes a novel assistive technology platform that utilizes real-time 3D spatial audio to aid its users in safe and efficient navigation. This platform leverages modern 3D scanning technology on a mobile device to digitally construct a live 3D map of a user's surroundings as they move about their space. Within the digital 3D scan of the world, spatialized, virtual audio sources (i.e., speakers) provide the navigator with a real-time 3D stereo audio "soundscape." As the user moves about the world, the digital 3D map, and its resultant soundscape, are continuously updated and played back through headphones connected to the navigator's device. This paper details (1) the underlying technical components and how they were integrated to produce the mobile application that generates a dynamic soundscape on a consumer mobile device and (2) a methodology for analyzing the usage of the application. It is the aim of this application to assist individuals with vision impairments to navigate and understand spaces safely, efficiently, and independently.

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Broderick S. Schwartz, Tyler Bell, "Assistive mobile application for real-time 3D spatial audio soundscapes toward improving safe and independent navigationin Electronic Imaging,  2023,  pp 108--1 - 108-5,  https://doi.org/10.2352/EI.2023.35.17.3DIA-108

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