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Exploring Data Sonification to Enable, Enhance, and Accelerate the Analysis of Big, Noisy, and Multi-Dimensional Data

Workshop 9

Published online by Cambridge University Press:  29 August 2019

J. Cooke ,
W. Díaz-Merced ,
G. Foran ,
J. Hannam  and
B. Garcia
J. Cooke
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Australia email: [email protected]
W. Díaz-Merced
Affiliation:
IAU Office of Astronomy for Development, SAAO, Cape Town, South Africa
G. Foran
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Australia email: [email protected]
J. Hannam
Affiliation:
RMIT University, Melbourne, Australia
B. Garcia
Affiliation:
CNEA-CONICET-UNSAM, Mendoza, Argentina
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Abstract

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We explore the properties of sound and human sound recognition as a means to enhance and accelerate visual-only data analysis methods. The aim of this work is to enable and improve the analysis of large data sets, data requiring rapid analysis, multi-dimensional data, and signal detection in data with low signal-to-noise ratio. We present a prototype tool, StarSound, to sonify data such as astronomical transient light curves, spectra, and power spectra. Stereophonic sound is used to ‘visualise’ and localise the data under examination, and 3-D sound is discussed in conjunction with virtual reality technology, as a means to enhance analysis efficiency and efficacy, including rapid data assessment and training machine learning software. In addition, we explore the use of higher-order harmonics as a means to examine simultaneously multi-dimensional data sets. Such an approach can allow the data to be interpreted in a holistic manner and facilitates the discovery of previously unseen connections and relationships. Furthermore, we exploit the capability of the human brain for selective or focused hearing that enables the identification of desired signals in noisy data, or amidst similar or more significant signals. Finally, we provide research examples that benefit directly from data sonification. The work presented here aims to help tackle the challenges of the upcoming era of Big Data and help optimise, speed up and expand aspects of data analysis requiring human interaction.

Keywords

Methods: data analysismiscellaneoustechniques: sociology of astronomy
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S339: Southern Horizons in Time-Domain Astronomy , November 2017 , pp. 251 - 256
Copyright
© International Astronomical Union 2019 

Footnotes

†

Australian Research Council Future Fellow

‡

Australian Research Council Centre of Excellence for Gravitational Wave Discovery

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