A network-modeling approach to investigating individual differences in articulatory-to-acoustic relationship strategies

This study represents an exploratory analysis of a novel method of investigating variation among individual speakers with respect to the articulatory strategies used to modify acoustic characteristics of their speech. Articulatory data (nasalization, tongue height, breathiness) and acoustic data (F1 frequency) related to the distinction of three nasal-oral vowel contrasts in French were co-registered. Data were collected first from four Southern French (FR) speakers and, subsequently, from nine naïve Australian English listeners who imitated the FR productions. Articulatory measurements were mapped to F1 measurements using relative importance analysis (RIA), and the RIA coefficients were used to create similarity scores among all of the speakers. The similarity scores were then used to bu...

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