| 摘要 |
The invention relates to a method and apparatus for producing a signal from an image (10). The image is formed from an array of symbols (12). Each symbol (12) represents a number of bits, and so information such as audio signals can be decoded from the image (10). The symbols (12) are designed so that they may be incorporated into pictures in children's books. These pictures may be scanned and sounds encoded by the symbols (12) are played via a loudspeaker or a computer. Picture books incorporating such images are useful in teaching children skills such as reading, counting, and identifying colours, shapes and other objects. |
