Can all blind people read Braille signs?
No. Braille is vital for many readers, but it is not universal, and a tactile room label cannot provide orientation across an entire place.
Public-space guides
Support independent movement across campuses, civic venues, transit, and outdoor routes.
“How should spoken orientation work across a complex place?”
Start with the practical question closest to the decision you are making now.
No. Braille is vital for many readers, but it is not universal, and a tactile room label cannot provide orientation across an entire place.
No. Audio, Braille, raised characters, and high-contrast visual signs solve different access problems and work best as layers.
Compare apps, web pages, Bluetooth, NFC, QR codes, infrared systems, and built-in audio by discoverability, precision, privacy, and upkeep.
Talking signage makes information about a physical place available through speech or audio, when and where a person needs it.
The working principle
Walk one complete task with blind and low-vision participants. Find the visual-only decisions, write the shortest useful answers, and test those answers in the real environment.
Read the community approach