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Trends in Phonetics and Phonology

Studies from German-speaking Europe

Edited By Adrian Leemann, Marie-José Kolly, Stephan Schmid and Volker Dellwo

This volume was inspired by the 9th edition of the Phonetik & Phonologie conference, held in Zurich in October 2013. It includes state of the art research on phonetics and phonology in various languages and from interdisciplinary contributors. The volume is structured into the following eight sections: segmentals, suprasegmentals, articulation in spoken and sign language, perception, phonology, crowdsourcing phonetic data, second language speech, and arts (with inevitable overlap between these areas).
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Transforming acoustic vowel data: A comparison of methods, using multi-dimensional scaling

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Abstract

This paper makes three contributions to the discussion of vowel transformation in acoustic phonetics. First, it compares a selection of transformation routines, using three performance tests: Linear Discriminant Analysis of vowel categories, inter-speaker vowel space area homogenization, and inter-speaker vowel space overlap. Second, the complementary functions of psychoacoustic transformation and vowel-extrinsic normalization proper are discussed and demonstrated. And, third, multi-dimensional scaling is proposed as a tool that can be useful in the assessment of multi-dimensional (or multi-parametric) results common in the testing of different methodologies, but also in other experimental work.

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