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The Relative Evaluation of the Annoyance of Experimental Stochastic Noises

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In order to obtain eventual sensations of annoyance in connection with statistical sound phenomena relative measurements were carried out with a new class of experimental stochastic sounds. The parameters of these sounds are multilaterally variable and also allow combination with periodic signals. For comparative measurement one has employed as a first sound reference binary processes B(fr ) (resembling noise) at different frequencies of measurement and secondly, noise signals, which have the same power spectrum as the reference binary signals. The level difference, ΔL B(f T) or ΔL R(f T), of reference was ascertained, and used as the relative annoyance component of a test signal, which was obtained as the difference between an equalization of the same irritability and volume.

The results showed increasing annoyance with increased impulsivity of test-sounds (impulse annoyance) and the same with increased periodic character of the rectangular signal (sound annoyance) by which in both cases, according to the timed frequency maximum values of about 5 to 7 dB were obtained. The comparison of impulse annoyance is consistent with known literature whereas a similar comparison of sound annoyance, obtainod here, is not possible due to lack of relevant research by other authors.
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Document Type: Research Article

Publication date: January 1, 1971

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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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