Acoustic Analysis of Vowels in Australian Aboriginal English Spoken in Victoria

Author:

Loakes Debbie1ORCID,Gregory Adele1

Affiliation:

1. School of Languages and Linguistics, The University of Melbourne, Parkville 3010, Australia

Abstract

(1) Background: Australian Aboriginal English (AAE) is a variety known to differ in various ways from the mainstream, but to date very little phonetic analysis has been carried out. This study is a description of L1 Aboriginal English in southern Australia, aiming to comprehensively describe the acoustics of vowels, focusing in particular on vowels known to be undergoing change in Mainstream Australian English. Previous work has focused on static measures of F1/F2, and here we expand on this by adding duration analyses, as well as dynamic F1/F2 measures. (2) Methods: This paper uses acoustic-phonetic analyses to describe the vowels produced by speakers of Aboriginal Australian English from two communities in southern Australia (Mildura and Warrnambool). The focus is vowels undergoing change in the mainstream variety–the short vowels in KIT, DRESS, TRAP, STRUT, LOT, and the long vowel GOOSE; focusing on duration, and static and dynamic F1/F2. As part of this description, we analyse the data using the sociophonetic variables gender, region, and age, and also compare the Aboriginal Australian English vowels to those of Mainstream Australian English. (3) Results: On the whole, for duration, few sociophonetic differences were observed. For static F1/F2, we saw that L1 Aboriginal English vowel spaces tend to be similar to Mainstream Australian English but can be analysed as more conservative (having undergone less change) as has also been observed for L2 Aboriginal English, in particular for KIT, DRESS, and TRAP. The Aboriginal English speakers had a less peripheral vowel space than Mainstream Australian English speakers. Dynamic analyses also highlighted dialectal differences between Aboriginal and Mainstream Australian English speakers, with greater F1/F2 movement in the trajectories of vowels overall for AAE speakers, which was more evident for some vowels (TRAP, STRUT, LOT, and GOOSE). Regional differences in vowel quality between the two locations were minimal, and more evident in the dynamic analyses. (4) Conclusions: This paper further highlights how Aboriginal Australian English is uniquely different from Mainstream Australian English with respect to certain vowel differences, and it also highlights some ways in which the varieties align. The differences, i.e., a more compressed vowel space, and greater F1/F2 movement in the trajectories of short vowels for AAE speakers, are specific ways that Aboriginal Australian English and Mainstream Australian English accents are different in these communities in the southern Australian state of Victoria.

Funder

The ARC Centre of Excellence for the Dynamics of Language

Publisher

MDPI AG

Reference36 articles.

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2. Blackwell, Liz, and McDougall, Kirsty (, January December). Sociophonetic variation of filled pauses in Victoria, Australia. Paper presented at the 19th Australasian International Conference on Speech Science and Technology, Melbourne, Australia. forthcoming.

3. Linguistic aspects of Australian Aboriginal English;Butcher;Clinical Linguistics & Phonetics,2008

4. Fletcher, Janet, Loakes, Debbie, Göcke, Roland, Burnham, Denis, and Wagner, Michael (, January September). The vowels of Australian Aboriginal English. Paper presented at the Interspeech 2008 Incorporating SST 2008, Brisbane, Australia.

5. Vowel change in Australian English;Cox;Phonetica,1999

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