This paper relates to an investigation on perceived roughness from Aures in 1984 where findings are based on psycho-acoustic tests with synthetic sounds and a small group of people. The related results have repeatedly been used for modelling roughness perception since then, for instance in the context of noise perception. Roughness is again an issue when investigating the perceived quality or timbre of musical sounds. In this context, roughness is one among some ten mid-level features to be extracted. Here, perceived roughness is measured again, but on a wider basis than in the earlier investigation. This paper outlines the psychoacoustic investigation, basically following the method of Aures, but modifying some of the issues under question. The results are reasonable and differ from the earlier findings in various aspects.
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