The Common Prosody Platform (CPP): Where theories of prosody can be directly compared

Author(s): Santitham Prom-On, Yi Xu, Wentao Gu, Amalia Arvaniti, Hosung Nam and D. H. Whalen

Abstract

This paper introduces the Common Prosody Platform (CPP), a computational platform that implements major theories and models of prosody. CPP aims at a) adapting theory-specific assumptions into computational algorithms that can generate surface prosodic forms, and b) making all the models trainable through global optimization based on automatic analysis-by-synthesis learning. CPP allows examination of prosody in much finer detail than has been previously done and provides a means for speech scientists to directly compare theories and their models. So far, four theories have been included in the platform, the Parallel Encoding and Target Approximation model, the Autosegmental-Metrical theory, the Task Dynamic model, and the Command-Response model. Preliminary tests show that all the implemented models can achieve good local contour fitting with low errors and high correlations.

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