This disclosure relates to a device and a method for controlling sound play, and a system associated therewith. The device includes a brainwave detector, a selector and a switcher. The brainwave detector is arranged to detect brainwave information of a user. The selector is arranged to select a sound player to be used from a first sound player and a second sound player based on the brainwave information. The switcher is arranged to send a switch control signal according to a result of the selection so as to cause the selected sound players to play the sound. By selectively switching on a sound player based on the brainwave information of the user, the sound play mode adapts to personal state or expectation of the user.
Device, method and system for using brainwave information to control sound play