Study on the Correlation Between the Temporal Factors and the Soundscape Excerpts Assessment
Temporal parameters were extracted from the temporal fluctuation spectra and the autocorrelation functions of short-time intensity and pitch sequences of 81 soundscape excerpts, which were then classified into nine clusters. Several representative samples in each cluster were selected and were reproduced for 50 subjects who were instructed to assess a set of attributes of the sounds that they heard. The first four principle components of the data were examined, and their correlations with temporal parameters were then studied. The resulting clustering can correspond to the data of the soundscape assessment to some extent as sample distribution was displayed in principle component plots, and some of the parameters were proven to be significantly correlated with the assessment according to the Pearson's and Spearman's coefficients and a stepwise multiple linear regression analysis. However, the data variance that was explained by the parameters was not large, and it was assumed that the effect of temporal factors on soundscape assessment was complex and cannot be resolved only by linear correlation analysis.
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Document Type: Research Article
Publication date: July 1, 2016
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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