Patent ID: 8155370

Claim:
An audio system comprising: a first speaker for emitting a first sound signal; a second speaker for emitting a second sound signal; a receiver located at a specific position and used to receive the first sound signal and the second sound signal to generate at least one feedback signal; a controller electrically connected to the first speaker and the second speaker, respectively; a first focusing reflector for reflecting the first sound signal; a second focusing reflector for reflecting the second sound signal; a first radian adjuster for adjusting the radian of the first focusing reflector; and a second radian adjuster for adjusting the radian of the second focusing reflector, wherein the controller rotates the first speaker and the second speaker based on the at least one feedback signal to allow the first sound signal emitted by the first speaker and the second sound signal emitted by the second speaker to focus on the specific position, wherein the first sound signal and the second sound signal focus on the specific position via the first focusing reflector and the second focusing reflector, respectively, wherein the controller controls the first radian adjuster or the second radian adjuster to adjust the radian of the first focusing reflector or the second focusing reflector, respectively.