Effects of rumble strip parameters on acoustics, vibration, and perception

Open Access

Table 1

Psychoacoustic parameters determined from the measurements.

Quantities	Unit	Method	Description
L_N5, L_N50	phon	DIN45631/A1 [22], free field	loudness level
S_D5, S_D50	acum	DIN45692 [23], free field	sharpness
S_A5, S_A50	acum	[24], free field	sharpness
R₅, R₅₀	asper	[25]	roughness
T₅, T₅₀	tu	[24, 26]	tonality

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