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Comparison of Localization Performance of Blind and Sighted Subjects on a Virtual Audio Display and in Real-Life Environments

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Localization performance of blind subjects was measured in a virtual audio environment using non-individualized but customized HRTFs. Results were compared with former results of sighted users using the same measurement setup. Furthermore, orientation and navigation tasks in a real-life outdoor environment were performed in order to compare localization ability of sighted and visually impaired including "walking straight" tasks with and without acoustic feedback and test runs using the white cane as an acoustic tool during navigation.

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AES - Audio Engineering Society