Video - Overview
After long wait, here is the video of the overview of the digital piano sound source which I gave the name "The Pianist Box". The long wait was since I hope to enable the internal sound chips (RT5640) with new linux kernel (4.4), unfortunately still no luck.
https://www.youtube.com/watch?v=VvIx2L6vL1w
Digital Piano Sound Source (Updated: Video - Overview)
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