Hypersonic music: determining new musical experiences in the parametric acoustic array

Rush, W 2016, Hypersonic music: determining new musical experiences in the parametric acoustic array, Masters by Research, Media and Communication, RMIT University.


Document type: Thesis
Collection: Theses

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Title Hypersonic music: determining new musical experiences in the parametric acoustic array
Author(s) Rush, W
Year 2016
Abstract This research examines how parametric loudspeakers may be considered unique acousmatic musical instruments; how the parametric acoustic array (PAA) can potentially make new forms of music and listening experiences; and how PAA-design problems can be overcome. Interdisciplinary in nature, the study uses grounded theory and experimental music practice within a design research methodology. Theory emerges from data, in concert with analysis and framing that draws on areas such as electroacoustic music, spatial composition, acoustics, PAA science/theory, modulation theory, and medium theory. Little is known about making music with the PAA. Technical PAA and parametric speaker literature explains new physical abilities of audible hyper-sounds that are made from inaudible ultrasounds. There also are a number of real-world hypersonic artworks, laboratory-based creative technical experiments, and proposals of application. However, few descriptions or analyses of PAA artworks and percepts are available. This study finds the PAA is a potential new musical instrument, and uncovers new sound effects, new musical possibilities and listening experiences. It finds methods of hyper-sound design, including ways that the PAA can make 'bass' pitches, and musical applications, which comprise making 3D surround sound compositions from one loudspeaker, and novel acousmatic narrative cinema. As such, this research advances knowledge and discourse of theory and practices of hypersonic music, and how to use the PAA medium. Design in this research potentially helps to ameliorate usability difficulties of inefficient sounds, narrow bandwidth, softness, distortion, and high amplitude ultrasound, therefore helping to improve listener safety, enjoyment and benefits. Identifying important areas for further research, the study opens new possibilities across acoustical-related media.
Degree Masters by Research
Institution RMIT University
School, Department or Centre Media and Communication
Subjects Music Composition
Performance and Installation Art
Keyword(s) Parametric acoustic array
New music
Electroacoustic narrative
3D surround sound
New sound effects
Hypersound
Parametric loudspeakers
Musical instrument design
Design research
New media research
Sound design
Creative practice research
Sonic experience
Acoustics
Spatial sound
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Created: Tue, 14 May 2019, 11:40:45 EST by Keely Chapman
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