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On the Development of Optimal Algorithms for the Calculation of Loudness According to Method B of the I SO-Recommendation R-532

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In agreement with the ISO recommendation R-532 (Method B), algorithms of the loudness calculations of random noise were suggested which utilise simple nomograms or arithmetical calculations without integration or planimetry. The loudness in the frequency groups and the masking functions in these algorithms were considered dependent one upon the other. By this means the differences between londness levels, calculated in accordance to ISO R 226 and R 532 (Method B) can be minimised. The (parallel) analysis of sound in the time domain can be suitable for the optimisation of a technical measurement of loudness.
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Document Type: Research Article

Publication date: July 1, 1972

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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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