Stability, reliability, and sensitivity of acoustic measures of vowel space: A comparison of vowel space area, formant centralization ratio, and vowel articulation index

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Funding Acknowledgements

We wish to thank Professor Paul Maruff and Professor Janet Fletcher, who provided support for earlier studies associated with this work, and Dr. Jacewicz for her extensive help during the editorial process. M.W.J.C. performed extraction, analysis, and interpretation of data, drafting the manuscript. A.P.V. provided the study concept and design, and performed data collection, interpretation of data, revision of manuscript, study supervision. A.P.V. is funded by the National Health and Medical Research Council, the Australia Fellowship (#1135683), and is Chief Science Officer of Redenlab a speech biomarker company. M.W.J.C. declares no competing financial interest.