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ct 20(23): e2

Research Article

(Re-) Presenting an altered interactive system. On et ego, a piece for classical guitar, two piezoelectric microphones and electronics

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  • @ARTICLE{10.4108/eai.13-7-2018.163995,
        author={D. Fantechi},
        title={(Re-) Presenting an altered interactive system. On et ego, a piece for classical guitar, two piezoelectric microphones and electronics},
        journal={EAI Endorsed Transactions on Creative Technologies},
        volume={7},
        number={23},
        publisher={EAI},
        journal_a={CT},
        year={2020},
        month={4},
        keywords={instrument, device, interactive systems, piezoelectric microphone, electroacoustic music},
        doi={10.4108/eai.13-7-2018.163995}
    }
    
  • D. Fantechi
    Year: 2020
    (Re-) Presenting an altered interactive system. On et ego, a piece for classical guitar, two piezoelectric microphones and electronics
    CT
    EAI
    DOI: 10.4108/eai.13-7-2018.163995
D. Fantechi1,*
  • 1: University of Antwerp, Orpheus Institute, Ghent (BE)
*Contact email: daniela.fantechi@orpheusinstituut.be

Abstract

INTRODUCTION: Starting from et ego, a piece for classical guitar and electronics, this paper aims to introduce the notion of the interactive system as a tool to understand the musical activity developed by a composer and/or performer in relationship with an instrument and a score.

OBJECTIVES: The primary objective is to show how the equilibrium within this interactive system can be affected by the introduction of an external technology.

METHODS: In et ego, the external technology is represented by two piezoelectric contact microphones placed on the soundboard of the guitar, which creates an interference within the usual performer/instrument relationship. The performer has to interact with these microphones and with a differently amplified classical guitar: the piezoelectric microphones make very tiny sounds audible and emphasize percussive sounds while feeding the patch for the live electronics. Consequently, the composer enacts different strategies to understand and represent this enriched vocabulary.

RESULTS: The use of piezoelectric microphones allows for working with specific gestures and extremely delicate sounds, enriching the vocabulary of sound material available within the compositional process. The use of notation becomes part of this process of comprehension and translation of different aural images.

CONCLUSION: The interdependencies between the agents of the system, constantly challenged by different levels of interferences, reveal the perceptual and recursive nature of the compositional labour.

Keywords
instrument, device, interactive systems, piezoelectric microphone, electroacoustic music
Received
2019-12-13
Accepted
2020-04-17
Published
2020-04-20
Publisher
EAI
http://dx.doi.org/10.4108/eai.13-7-2018.163995

Copyright © 2020 D. Fantechi et al., licensed to EAI. This is an open access article distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/3.0/), which permits unlimited use, distribution and reproduction in any medium so long as the original work is properly cited.

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