Altera DE2 Air String project
FPGAs provides real power to build really interesting projects like this one. By following ECE 5750 final projects we find another great solution for playing music. It’s an Air Strings. It allows to play string instrument without physical one. You only have to wave green tipped fingers in front of camera in order to activate virtual strings. They are using Karplus Strong algorithm to achieve this. The whole trick in this is detecting finger movement. To do so, FPGA generates an image with strings while camera reads changes of RGB values on it. When finger with contrasty tip appears in to particular string area – sound is generated....
Source: Embedds.com - Sunday, 18 December
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