A Left Hand Gesture Caption System for Guitar Based on Capacitive Sensors

In this paper, we present our research on the acquisition of gesture information for the study of the expressiveness in guitar performances. For that purpose, we design a sensor system which is able to gather the movements from left hand ngers. Our eort is focused on a design that is (1) non-intrusive to the performer and (2) able to detect from strong movements of the left hand to subtle movements of the ngers. The proposed system is based on capacitive sensors mounted on the ngerboard of the guitar. We present the setup of the sensor system and analyze its response to several nger movements.

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