IMAGE DISPLAY UNIT

PROBLEM TO BE SOLVED: To control voice for a right ear and voice for a left ear so that they appropriately reach a user.SOLUTION: An image display unit includes: a hollow display member formed in a hemispherical shape; a plurality of speakers which are arranged along a hemispherical outer periphery at a lower end edge of the display member and output voices for different narrow output ranges; storage means in which image data is stored; projection means which projects an image from inside the display member so that it can be observed from outside the display member; detection means for detecting an observer for observing the display member from outside and a position of the observer; projection control means for projecting the image to the projection means so that a position on the display member facing the observer becomes a center position of the image in response to the detected position of the observer; and voice control means which selects the two speakers arranged near positions facing the detected observer as reproduction speakers from the plurality of speakers when voice data is associated with the projected image and makes the speakers output the voices.