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Open AccessArticle

Evaluation of Three Auditory-Sculptural Qualities Created by an Icosahedral Loudspeaker

Institute of Electronic Music and Acoustics, University of Music and Performing Arts, 8010 Graz, Austria
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(13), 2698;
Received: 26 March 2019 / Revised: 22 June 2019 / Accepted: 26 June 2019 / Published: 2 July 2019
(This article belongs to the Section Acoustics and Vibrations)
The icosahedral loudspeaker (IKO) was previously established as an electroacoustic instrument enabling the musical creation and orchestration of sculptural sound phenomena in the room. This is technically achieved by manipulating the strengths of the available acoustic reflection paths by using the IKO’s acoustic beamforming capabilities. In its use, listeners perceive auditory sculptures whose characterization needs investigation. We present a proposed set of sculptural quality attributes directionality, contour, and plasticity and a series of listening experiments investigating them. The experiments employ documented beam layouts using a selected set of sounds as conditions, and they evaluate the recognizability, perceivable grading, and discernibility of the proposed sculptural qualities. View Full-Text
Keywords: sound sculptures; icosahedral loudspeaker; auditory objects sound sculptures; icosahedral loudspeaker; auditory objects
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Sharma, G.K.; Frank, M.; Zotter, F. Evaluation of Three Auditory-Sculptural Qualities Created by an Icosahedral Loudspeaker. Appl. Sci. 2019, 9, 2698.

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