Compliance of audio-based navigation system for persons with vision impairment

Audio-based network navigation systems are designed for the visually impaired to help them explore their environment — providing guidance, for example, on walking surfaces, stairs and lifts — and overcome the obstacles posed by poor eyesight. Compliance of Audio-Based Navigation System for Persons with Vision Impairment is a technical report that addresses why these systems must comply with ITU recommendations. It offers critical measures for qualitative and empirical data, a protocol for allowing installers of audio-based navigation systems to assess their compliance, and a methodology for collecting data to ensure they continue to conform. The report also covers the components of audio instruction, among them specific features, landmarks and objects, and mobile applications.
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