Purpose Data on vowel formants have been derived primarily from static measures
representing an assumed steady state. This review summarizes data on formant frequencies …

Improvement or maintenance of speech intelligibility is a central aim in a whole range of
conditions in speech–language therapy, both developmental and acquired. Best clinical …

An assessment of vocal impairment is presented for separating healthy people from persons
with early untreated Parkinson's disease (PD). This study's main purpose was to (a) …

Purpose The vowel space area (VSA) has been used as an acoustic metric of dysarthric
speech, but with varying degrees of success. In this study, the authors aimed to test an …

The quality of speech directed towards infants may play an important role in infants'
language development. However, few studies have examined the link between the two. We …

The purpose of this study was to analyze vowel articulation across various speaking tasks in
a group of 20 early Parkinson's disease (PD) individuals prior to pharmacotherapy. Vowels …

OBJECTIVE: The aim of the study was to analyze vowel articulation in Parkinson's disease
(PD) speakers suffering from mild hypokinetic dysarthria as compared with healthy controls …

Purpose To evaluate the effects of intensive voice treatment targeting vocal loudness (the
Lee Silverman Voice Treatment [LSVT]) on vowel articulation in dysarthric individuals with …

Both rate reduction and increased loudness reportedly are associated with an increase in
the size of the articulatory-acoustic working space and improved acoustic distinctiveness for …

Purpose This study examined acoustic predictors of speech intelligibility in speakers with
several types of dysarthria secondary to different diseases and conducted classification …