To provide a shape transmission device which converts the shape and features of image data read by an image reader into sound data and outputs the sound data.

Image data is read, and outline information 2 of the image data is extracted as the shape and features of image data, and the X axis of outline information is replaced with sound position information 4 utilizing sound source orientation which is a human aural function which decides the direction of outputted sounds, and the Y axis is replaced with a frequency 5 of sounds, and image data is converted into sound data to output the sound data, and thus the shape and features of image data can be recognized by hearing.