54 research outputs found
The statistical analysis of acoustic phonetic data: exploring differences between spoken Romance languages
The historical and geographical spread from older to more modern languages has long been studied by examining textual changes and in terms of changes in phonetic transcriptions. However, it is more difficult to analyze language change from an acoustic point of view, although this is usually the dominant mode of transmission. We propose a novel analysis approach for acoustic phonetic data, where the aim will be to statistically model the acoustic properties of spoken words. We explore phonetic variation and change using a time-frequency representation, namely the log-spectrograms of speech recordings. We identify time and frequency covariance functions as a feature of the language; in contrast, mean spectrograms depend mostly on the particular word that has been uttered. We build models for the mean and covariances (taking into account the restrictions placed on the statistical analysis of such objects) and use these to define a phonetic transformation that models how an individual speaker would sound in a different language, allowing the exploration of phonetic differences between languages. Finally, we map back these transformations to the domain of sound recordings, allowing us to listen to the output of the statistical analysis. The proposed approach is demonstrated using recordings of the words corresponding to the numbers from ``one'' to ``ten'' as pronounced by speakers from five different Romance languages.John Coleman appreciates the support of UK Arts and Humanities Research Council grant AH/M002993/1, âAncient Sounds: mixing acoustic phonetics, statistics and comparative philology to bring speech back from the pastâ. John Aston appreciates the support of UK Engineering and Physical Sciences Research Council grant EP/K021672/2, âFunctional Object Data Analysis and its Applicationsâ
Depicting the tree of life: The philosophical and historical roots of evolutionary tree diagrams
info:eu-repo/semantics/publishedVersio
Alfred Ernout: Notes de philologie latine. (Centre de Recherches d'Histoire et de Philologie de la IV e
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Xavier Mignot: Recherches sur le suffixe -ÏηÏ, -Tau;ηÏÎżÏ (-Tau;៱ÏÎżÏ) des origines Ă la fin du IV e
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