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This paper gives a brief introduction to noise development in switched reluctance machines (SRMs) and presents psychoacoiustic quantities that allow an objective eva.luation of their sound qua.lity by taking into accouLnt the charcteristics of the human hearing system. The relevance of these quantities is deteined by listening tests and statistical analyses. The goal of this work is to demonstrate that a scceessfLl acoustic optimization of a SRM should be petformed based on both technical and psychoa.coustic know-how. 12K 2005 -I2're.xkn ISBN PH FINCIRUTHl Sbas&t DEl 2005 -L)i--;c11i ISBN :90-75815-08-5 P.7X HIE 2005 -. PS.

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