Audio-Based Navigation

A navigation approach that uses audio output — typically synthesised speech, spatial audio cues, or sonification — as the primary means of providing wayfinding information to users. Audio-based navigation systems are particularly important for blind and visually impaired people, replacing visual maps and displays with spoken directions, distance information, and location descriptions. These systems commonly use GPS for positioning and text-to-speech engines for output, and may employ various direction schemes such as clock-face positions, cardinal points, or relative left/right instructions. Key design considerations include minimising cognitive load, providing information at appropriate moments, and ensuring audio cues do not mask important environmental sounds needed for safety.