Abstract
In this paper, an electronic piano performance system is given. Within the system, a traditional piano keyboard is retained, and a micro-controller unit (MCU) C8051F340 is applied to scan the key value, velocity of the keyboard and send the scanned data to principal computer (PC) via universal serial bus (USB) interface. In addition, application software for PC has been developed to simulate the sound function of a traditional piano, which can identify multiple key values and distinguish between light and heavy sound simultaneously. Finally the design results have proved the validity and utility of our performance system by virtue of lower cost and more accurate and adjustable tones.
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