I have no data or metrics to point to, only anecdotes from my own experience using a GPS.
And yes, sound was extremely important. Sound was the primary feedback for using the device. It let me know what icons I was pressing on-screen, using different sounds for forward or backward menu navigation. And it seemed that the designer had put some real work into how the unit used voice as a way to remind the driver of upcoming turns and lane changes. It was extremely useful, and never once confusing or distracting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Posted from the new ixda.org http://www.ixda.org/discuss?post=49100 ________________________________________________________________ Welcome to the Interaction Design Association (IxDA)! To post to this list ....... disc...@ixda.org Unsubscribe ................ http://www.ixda.org/unsubscribe List Guidelines ............ http://www.ixda.org/guidelines List Help .................. http://www.ixda.org/help
