A card-type sound apparatus has, on a card-shaped substrate, a combination of a sound signal input portion to which a sound signal is input from outside and a sound generation portion that generates sound according to the sound signal input to the sound signal input portion, or a combination of a sound collection portion that collects sound from outside and converts the sound into an electric signal and a sound signal output portion that outputs to outside the electric signal obtained from the sound collection portion, or both of these combinations. The sound generation portion generates sound by making the card-shaped substrate itself vibrate according to the sound signal input to the sound signal input portion. The sound collection portion collects sound by converting the vibration of the card-shaped substrate itself into an electric signal.