User interface augmentation: vision and sound

An example of an enhanced reality user interface uses aspects of the real world and simulated computer perception to yield a simplified user interface. The common application solitaire is considered as the base application. The augmented input scheme uses hand gestures, in particular those that would be used if playing the game with real cards. An augmented output scheme uses audio, especially voice descriptions of cards and relative hand positions, in three dimensions. The result is a game that is playable by anyone using any flat surface with no actual cards and no need to touch or look at the computer. A large class of interfaces can profit from these ideas, and visually impaired users have expanded access to existing systems.