Infant-directed speech (IDS) is phonetically distinct from adult-directed speech (ADS): It is typically considered to have special prosody--like higher pitch and slower speaking rates--as well as unique speech sound properties, for example, more breathy, hyperarticulated, and/or variable consonant and vowel articulation. These phonetic features…

An analysis of high vowel variation in Quebec French shows that the phenomenon can generally be accounted for in terms of stress and syllabic closure. However, it is also proposed that by positing underlying lax high vowels in the language, a more insightful analysis is achieved, suggesting that a process of high vowel tensing is occurring…

The present paper comprises an overview of techniques using ultrasound in speech (re)habilitation. Ultrasound treatment techniques have been developed for English lingual stops, vowels, sibilants, and liquids. These techniques come from a series of small "n" studies with adolescents and adults with severe hearing impairment, residual…