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Sharpness Versus Brightness: A Comparison of Magnitude Estimates

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This paper reports three experiments carried out to examine the relations of auditory judgments of sharpness and brightness to certain characteristics of the sound spectrum. A psychophysical scaling method of absolute estimation was used to determine the dependence of sharpness and brightness on the frequency, the bandwidth, and the amplitude of a formant introduced to the sound spectra of noise and music samples. Results demonstrate that both sharpness and brightness considerably change with the formant frequency, whereas the effects of the formant bandwidth and the formant amplitude are relatively small. The relations of sharpness and brightness to the sound spectrum are generally similar; however, certain subtle differences between these relations can be observed in specific experimental conditions.
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Document Type: Research Article

Publication date: 2006-09-01

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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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