School of Languages and Linguistics - Research Publications
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ItemSociophonetic Variation in Vowel Categorization of Australian English(SAGE PUBLICATIONS LTD, 2023-10-13)This study involves a perceptual categorization task for Australian English, designed to investigate regional and social variation in category boundaries between close-front vowel contrasts. Data are from four locations in southeast Australia. A total of 81 listeners from two listener groups took part: (a) so-called mainstream Australian English listeners from all four locations, and (b) L1 Aboriginal English listeners from one of the locations. Listeners heard front vowels /ɪ e æ/ arranged in 7-step continua presented at random. Varied phonetic contexts were analyzed, with a focus on coda /l/ because of a well-known prelateral merger of /e æ/ through mid-vowel lowering (e.g., celery-salary) reported to occur in some communities in this part of Australia. The results indicate that regional variation in Australian English is evident in perception. In particular, merging of /el/-/æl/ is shown to occur in the southernmost regions analyzed, but rarely in the northern regions of the geographical area under investigation. Aside from regional variation observed, age was also a factor in how participants responded to the task: older speakers had more merger than younger speakers in many locations, which is a new finding-previously, the merger was thought to be increasing in frequency over time, yet here we see this in only one location. Aboriginal English listeners also responded differently when compared with mainstream Australian English listeners. By analyzing the perception results across a variety of regional locations, with data from two different Australian social groups in the same location, this study adds a new dimension to our understanding of regional and social variations in Australian English.
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ItemThe secondary roles of amplitude and F0 in the perception of word-initial geminates in Kelantan Malay(Australasian Speech Science and Technology Australia (ASSTA), 2019)This study examines the extent to which amplitude and F0 play secondary roles in perceptually cueing the word-initial singleton/geminate consonant contrast in Kelantan Malay (KM). Three voiceless stop word-pairs produced in isolation, i.e. utterance-initial position, were chosen for manipulation in three perception experiments involving KM native listeners. Results show that amplitude and F0 have limited perceptual functions on their own, although the combined values of the two parameters do have some effect on the perception of the consonant contrast. These results are expected for the utterance-initial voiceless stop pairs given the absence of closure duration information as a perceptual cue in this context. The findings support the view that the consonant length distinction in word-initial position, particularly for voiceless stops, can be potentially cued by a set of secondary parameters, e.g. amplitude and F0, alongside the primary acoustic parameter of closure duration.
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ItemSociophonetic variablity of postvocalic /t/ in Aboriginal and mainstream Australian English(ASSTA, 2018)This paper analyses post-vocalic /t/ variability in controlled speech across two groups, both L1 Aboriginal English and mainstream Australian English speakers. Data were collected in Warrnambool, a small community in western Victoria (Australia). While both Aboriginal English and mainstream Australian English speakers used canonical aspirated [tʰ] a range of other variants were observed. The Aboriginal English group used a greater number of variants overall, and tended toward “glottal” variants (full glottal stops, pre-glottalised stops, and ejective-like stops) whereas the mainstream Australian group preferred so-called “breathy” variants (affricates, fricatives); we attribute this to sociophonetic variability, potentially linked with voice quality and glottal timing. Overall, the study highlights some previously undocumented variation both within L1 Aboriginal English, and between L1 Aboriginal English and mainstream Australian English.
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ItemCan you t[ae]ll I'm from M[ae]lbourne? An overview of the DRESS and TRAP vowels before /l/ as a regional accent marker in Australian English(John Benjamins Publishing, 2017-01-01)This study gives an overview of the merger of the DRESS and TRAP vowels before laterals, which occurs for some speakers of Australian English in the state of Victoria (in the south-east of the country), as well as in some other varieties of English. Research on this phenomenon in Australian English has been preliminary to date, but has uncovered some general tendencies in distribution, as well as possible motivators for actuation and spread of the change. The aim of this paper is to describe and orient the phenomenon in the context of English worldwide, and while we work with some illustrative experimental data, our aim is not to provide a detailed quantitative sociophonetic perspective here. This paper further aims to illustrate the extent of the variability seen in the Australian English community with respect to ongoing change.
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ItemProsodic effects on vowel spectra in three Australian languages(International Speech Communications Association, 2014)In this paper, the spectral properties of vowels in three Australian languages are examined with the aim of determining whether prosodic prominence and domain-edge effects on formant frequencies, formant variability and vowel space dispersion can be identified. It is shown that these vowel systems are sufficiently dispersed, with an anchoring of the system by the open central vowel. It is also shown that for Burarra but not for Gupapuyngu or Warlpiri there is some evidence of prosodically-driven hyper-articulation. Finally, the data indicate pre-boundary lengthening in all three languages, which in some cases appears to be associated with changes in vowel quality.
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Item/æl/-/el/ transposition in Australian English: Hypercorrection or a competing sound change?(City University of Hong Kong, 2011)
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ItemDurational correlates of word-initial voiceless geminate stops: The case of Kelantan Malay(City University of Hong Kong, 2011)
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ItemA Taste of Prosody: Possible Effects of the Word-Initial Singleton-Geminate Contrast on Post-Consonantal Vowel Duration in Kelantan Malay(Tongji University Press, 2012-01-01)
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ItemAn acoustic analysis of release burst amplitude in the Kelantan Malay singleton/ geminate stop contrast(Australasian Speech Science and Technology Australia (ASSTA), 2012)