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Durational and spectral differences in American English vowels: dialect variation within and across regions.
Results point to a positive correlation between spectral overlap and vowel duration for Northern and Western speakers, and indicate that both F1/F2 measures and durational measures are used for disambiguation of vowel quality. Expand
Evaluating acoustic speaker normalization algorithms: evidence from longitudinal child data.
Results indicate that normalization techniques which rely on both a measure of central tendency and range of the vowel space perform best at reducing variation attributable to age, although some variation attributableto age persists after normalization for some sections of the vowels. Expand
Incomplete neutralization in African American English: The case of final consonant voicing
Abstract In many varieties of African American English (AAE), glottal stop replacement and deletion of word-final /t/ and /d/ results in consonant neutralization, while the underlying voicingExpand
Contextualizing The Corpus of Regional African American Language, D.C.:
Washington DC has been home to a majority African American population since the late 1950s, with many in the United States considering DC an African American cultural center. At the same time, in theExpand
Twentieth Century Sound Change in Washington DC African American English
Previous work on the vocalic systems of African American English (AAE) speakers in a number of regional settings has identified both shared vowel configurations, aligning with Thomas’s (2007) AfricanExpand
A Tale of Two Cities: Community Density and African American English Vowels
Though variation in the African American Vowel System (AAVS) has been recognized in many communities throughout the US (Thomas 2007, Yaeger-Dror and Thomas 2010), the social and socio-geographicExpand
African American Language
From birth to early adulthood, all aspects of a child's life undergo enormous development and change, and language is no exception. This book documents the results of a pioneering longitudinalExpand
Sources of variation in the speech of African Americans: Perspectives from sociophonetics.
Evidence from sociophonetic analyses across three sources of variation that have contributed to the spread and realizations of the sound system in modern AAL: migration, segregation, and place and identity is focused on. Expand