Controller and system for voice generation based on characters

A voice generation device (10b) is configured to generate voice corresponding to one or a plurality of characters designated in a predefined character string. A controller (10a) for the voice generation device is provided with a character selector (60a) configured to be operable by a user to designate the one or a plurality of characters in the character string, and a voice control operator (60b) configured to be operable by the user to control the state of the voice generated by the voice generation device. The controller (10a) is provided with a grip (G) suitable for being held by the hand of the user, and the character selector and the voice control operator are disposed on the grip. The character selector and the voice control operator are disposed on the grip in such an arrangement as to be respectively operable by different fingers of the user holding the grip.