Creating Music with Brain activity. Controlling a step sequencer with a cVEP Brain-Computer Interface
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2020-06-01
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en
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Abstract
This thesis presents a cVEP based step sequencer, a musical interface that uses a
grid-like structure to decouple input and playback. A comparison was made between
two separate variations of this application { with a Pentatonic and a Major scale -,
after which the general user experience was assessed through a copy-spelling task and
a free-play task. When properly calibrated, participants were able to reach an average
speed of 7.4 seconds per selection with an accuracy of 69.4%. The Major scale
variation was generally preferred, with participants rating the overall experience as
\fair". However, enjoyment seemed to be heavily tied to factors outside of the scale
di erences, like calibration accuracy. This technology may allow patients that have
lost their ability to move to compose short musical pieces.
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Faculteit der Sociale Wetenschappen