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

This chapter summarizes, from the perspective of the revised Speech Learning Model (SLM-
r; Chapter 1), some of the numerous studies that have examined the learning of English …

Speech output technology is finding widespread application, including in scenarios where
intelligibility might be compromised–at least for some listeners–by adverse conditions …

Facemasks are essential for healthcare workers but characteristics of the voice whilst
wearing this personal protective equipment are not well understood. In the present study, we …

In 2005, Science magazine designated the problem of accounting for difficulties in L2
(second language) learning as one of the 125 outstanding challenges facing scientific …

When understanding or evaluating foreign-accented speech, listeners are affected not only
by properties of the speech itself but by their own linguistic backgrounds and their …

This article provides an overview of the research concerning the nature of the distinct,
listener‐oriented speaking style called 'clear speech'and its effect on intelligibility for various …

Three experiments examined acoustic and perceptual characteristics of the speech of gay;
Lesbian; Bisexual (GLB) and heterosexual people. Experiment 1 examined the acoustic …

Studies comparing native and non-native listener performance on speech perception tasks
can distinguish the roles of general auditory and language-independent processes from …

Previous research has established that naturally produced English clear speech is more
intelligible than English conversational speech. The major goal of this paper was to …