Guitar Playing and Nerve ENG
Author
Wilmot, Thomas Michael
Term
4. Term
Education
Publication year
2018
Submitted on
2018-09-30
Pages
37
Abstract
This thesis investigates whether the motion and force of a guitarist’s strumming hand can be captured as neuromuscular signals and used to control guitar effects more dynamically than conventional switch-based setups. Motivated by the limited dynamic interaction in common effect designs, it outlines how voluntary movement is encoded as action potentials across neurons, nerves, and motor units, and how these signals can be recorded from muscles (EMG) and peripheral nerves (ENG). The work reviews decomposition techniques for extracting spike trains and motor-unit information from these recordings and proposes recording from shared nerves to access activity from multiple muscles in the strumming hand. It presents a methodological framework that includes considerations for electrode placement, test tasks, signal processing, and strategies for sonifying or mapping extracted features to timbral controls. While detailed results and evaluations are not present in the provided excerpt, the thesis positions neuromuscular sensing as a pathway toward more expressive, gesture-driven guitar interaction and lays the technical groundwork needed to pursue it.
Dette speciale undersøger, om bevægelse og kraft i en guitarists strummehånd kan opfanges som neuromuskulære signaler og bruges til at styre guitareffekter mere dynamisk end traditionelle, switch-baserede løsninger. Med afsæt i den begrænsede dynamiske interaktion i gængse effektopsætninger gennemgås, hvordan viljestyret bevægelse kodes som aktionspotentialer i neuroner, nerver og motoriske enheder, samt hvordan disse signaler kan optages fra muskler (EMG) og perifere nerver (ENG). Specialet gennemgår dekompositionsmetoder til at udtrække spiketrains og information om motorenheder fra optagelserne og foreslår at optage fra fælles nerver for at få adgang til aktivitet fra flere muskler i strummehånden. Der skitseres en metodisk ramme med overvejelser om elektrodeplacering, testopgaver, signalbehandling og strategier for sonificering eller mapping af udtrukne træk til timbrale kontroller. De konkrete resultater og evalueringer fremgår ikke af det medfølgende uddrag, men arbejdet positionerer neuromuskulær sensing som en vej til mere udtryksfuld, gestusdrevet guitarinteraktion og lægger de tekniske grundsten for at forfølge dette.
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