. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: J Speech Lang Hear Res. 2010 Nov 8;54(3):981–994. doi: 10.1044/1092-4388(2010/10-0196)

Table III.

Correlations between acoustic parameters and the coordinates of 16 stimuli for each dimension in the NH 3D perceptual space.

Acoustic parameters	Dim 1	Dim 2	Dim 3
Log-attack time	0.79^††	0.07	−0.37
Spectral centroid	−0.07	0.82^††	0.32
Spectral spread	−0.64^**	0.34	−0.15
Spectral flux	−0.15	−0.13	0.12
Spectral irregularity	0.22	0.27	0.60^**

Significant correlations are bolded in this table

^**

p ≤ 0.01,

^†

p ≤ 0.005,

^††

p ≤ 0.001