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Academic Paper


Title: Loudness Predicts Prominence: Fundamental Frequency Lends Little
Paper URL: http://kochanski.org/gpk/papers/2005/04pnp.pdf
Author: Greg Kochanski
Email: click here TO access email
Homepage: http://kochanski.org/gpk
Institution: Oxford University Phonetics Laboratory
Author: Esther Grabe
Homepage: http://www.phon.ox.ac.uk/~esther
Institution: University of Oxford
Author: John S. Coleman
Homepage: http://www.phon.ox.ac.uk/~jcoleman
Institution: University of Oxford
Linguistic Field: Computational Linguistics; Phonetics
Subject Language: English
Abstract: We built classifiers, trained the classifiers on human prominence/non-prominence judgements, and then evaluated how well they behaved. The classifiers operate on 452 ms windows centered on syllables, using different acoustic measures. By comparing the performance of classifiers based on different measures, we can learn how prominence is expressed in speech. Contrary to textbooks and common assumption, fundamental frequency (f0) played a minor role in distinguishing/L/prominent syllables from the rest of the utterance. Instead, speakers primarily marked prominence with patterns of loudness and duration. Two other acoustic measures that we examined also played a minor role, comparable to f0. All dialects and speaking styles studied here share a common definition of prominence./L/The result is robust to differences in labeling practice and the dialect of the labeler.
Type: Individual Paper
Status: In Progress
Publication Info: Accepted in J. Acoustical Soc. America
URL: http://kochanski.org/gpk/papers/2005/04pnp.pdf


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