Existing psychoacoustic models, used to evaluate the quality of technical sounds, don’t provide equally reliable assessments for different noise sources. By combining acoustic measurements, psychoacoustic analysis, and hearing tests, we determined the correlations between psychoacoustic characteristics and perceived annoyance. The results confirm greater reliability of models adapted to specific noise sources. In addition, our results show, that to reliably predict the perceived annoyance of axial fans, it is not sufficient to measure them in a free field, interactions with housing elements must also be considered.
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