A non-touch one machine and a control method for controlling

The present invention provides a machine and a control method of a non-touch control, to achieve a non-touch control machine, the machine in both a speaker mode, but also in the non-touch control mode, i.e., without increasing the plug under equipment and without the use of a touch screen, gesture tracking position, enabling the user command input. The machine comprising: a master integrated circuit, low-power ultrasonic wave generating circuit, amplifying and filtering circuit, the signal processing means, an input means by at least one means consisting of a first piezoelectric ceramic and second piezoelectric ceramic by at least one means consisting of output means; wherein the master integrated circuit configured to: control the low power ultrasonic generation circuit closed or open, control transfer mode of the first piezoelectric means and / or the second piezoelectric ceramic device. Thus reducing the cost of equipment and improve the aesthetics of the device.