| Autor: |
Tesarz, M., Kjellberg, A., Holmberg, K., Landstro¨m, U. |
| Zdroj: |
Journal of Sound and Vibration; August 28, 1997, Vol. 205 Issue: 4 p523-531, 9p |
| Abstrakt: |
Three methods for calibrating noise annoyance ratings were tested in a group of 206 persons from different work places. One was Master scaling, which involves calibration for differences in mean ratings as well as the slope of the psychophysical function for seven levels of a pink noise reference sound. The other two methods calibrated only for differences in mean ratings of reference sounds. The reference sounds were either the pink noises or verbal descriptions of three everyday sounds. Calibrations for differences in mean ratings leads to a sixfold increase of the variance explained by sound level. Calibrating for difference in slope did not lead to any further improvement. The described sounds worked only slightly worse than the recorded sounds as reference sounds. |
| Databáze: |
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