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Next, I will explain the limitations of prior works.
In an existing study, the infrared LED light from a specific key was recognized by a sensor attached to the glove to provide vibration feedback to a specific finger.
That is why infrared LEDs are attached to each of the 88 keys.
Therefore, the large volume of the device containing 88 LEDs makes it impractical to use.
In addition, due to the spreading nature of infrared light, vibration feedback can be provided even if the fingers are not exactly positioned on a specific key, resulting in low accuracy.
Also, due to the lack of a systematic MIDI system that breaks down the music and plays it to the user first, it is difficult to practice even slightly complex pieces.
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IEEE/ICACT20250052 Slide.04
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