A Study of Acoustic Correlates of Speaker Age

Authors:
Susanne Schötz;Christian Müller
Affiliations:
Dept. of Phonetics, Centre for Languages and Literature, Lund University, Sweden;International Computer Science Institute, Berkeley, CA,
Venue:
Speaker Classification II
Year:
2007

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Abstract

Speaker age is a speaker characteristic which is always present in speech. Previous studies have found numerous acoustic features which correlate with speaker age. However, few attempts have been made to establish their relative importance. This study automatically extracted 161 acoustic features from six words produced by 527 speakers of both genders, and used normalised means to directly compare the features. Segment duration and sound pressure level (SPL) range were identified as the most important acoustic correlates of speaker age.