Analysing co-articulation using frame-based feature trajectories
Davel, Marelie H.
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We investigate several approaches aimed at a more detailed understanding of co-articulation in spoken utterances. We find that the Euclidean difference between instantaneous frame-based feature values and the mean values of these features are most useful for these purposes, and that low-order polynomials are able to model the between-phone transitions accurately. Examples of typical transitions are presented, and shown to give useful insights on the measurable effects of co-articulation.
- Faculty of Engineering