Audi Design Foundation

Below is a design solution sponsored by Audi design foundation . This response is good to refer to as I am interested in looking at signs and how signs can be misinterpreted or unclear depending on either their appearance & clarity, or the cultural & language barriers.
THE SOUND OF NORTH
Wayfinding for Visually Impaired People

Pathfinder is an application for mobile phones, a tag product and an online information community

Pathfinder from David Sweeney on Vimeo.

Helen Hamlyn Centre, 2008
Sponsored by the Audi Design Foundation

Talking Tactile Map from David Sweeney on Vimeo.

RFID Torch from David Sweeney on Vimeo.

The Smart Camera

Smart Camera in use from David Sweeney on Vimeo.

These references are from http://www.davidsweeneydesign.com/project/wayfinding