Acoustical features as used in expression of emotions in music performance, adapted from Juslin and Laukka (2003), and across–walkers median value of the corresponding acoustical features computed from the recorded walking sounds.

Note. A = Anger; F = Fear; H = Happiness; S = Sadness; SL = Sound Level; var. = variability; High fr. en. = High frequency energy; Art. = Articulation; Med./Lar. = Medium/Large; H = Heel; T = Toe; lev = level; SCG = Spectral Center of Gravity; mea = mean; std = standard deviation; dBthr = dB from threshold level of the background noise. Acoustical features as used in expression of emotions in music performance, adapted from Juslin and Laukka (2003), and across–walkers median value of the corresponding acoustical features computed from the recorded walking sounds.