Acoustic analysis of speech variables during depression and after improvement.

Abstract:

:Speech recordings were made of 16 depressed patients during depression and after clinical improvement. The recordings were analyzed using a computer program which extracts acoustic parameters from the fundamental frequency contour of the voice. The percent pause time, the standard deviation of the voice fundamental frequency distribution, the standard deviation of the rate of change of the voice fundamental frequency and the average speed of voice change were found to correlate to the clinical state of the patient. The mean fundamental frequency, the total reading time and the average rate of change of the voice fundamental frequency did not differ between the depressed and the improved group. The acoustic measures were more strongly correlated to the clinical state of the patient as measured by global depression scores than to single depressive symptoms such as retardation or agitation.

journal_name

Acta Psychiatr Scand

authors

Nilsonne A

doi

10.1111/j.1600-0447.1987.tb02891.x

subject

Has Abstract

pub_date

1987-09-01 00:00:00

pages

235-45

issue

3

eissn

0001-690X

issn

1600-0447

journal_volume

76

pub_type

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