Abstract

Tonal noise (DIN 45681 [1]) is an important parameter affecting sound quality and is substantial for the assessment of the annoyance of tonal components in environmental noises. For the measurement of time varying weak tonal components of complex technical and natural sounds none of the existing methods correspond to subjective ratings [2]. This is due to the fact that conventional methods neglect the time and frequency resolution as well as masking properties of the human hearing [2]. Furthermore a possible frequency dependence of tonal noise components is disregarded. The aim of this study is to investigate the aspects of frequency for tonal noise.

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