Publication
ICASSP 2018
Conference paper

Measuring the Effect of Linguistic Resources on Prosody Modeling for Speech Synthesis

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Abstract

The generation of natural and expressive prosodic contours is an important component of a text-to-speech (TTS) system which, in most classical architectures, relies on the existence of a text-analysis processor that can extract prosody-predictive features and pass them to a statistical learning model. These features can range from basic properties of the input string to rich high-level features which may not be always available when developing a TTS system in a new language with sparse computational resources. In this work we investigate how the prosody model of a speech-synthesis system performs as a function of different predictive feature sets that assume access to a certain amount of rich resources. We investigate, using objective metrics, the effect of relaxing the assumptions on input representations for prosody prediction for 5 languages, and evaluate the perceptual implications for US English.

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Publication

ICASSP 2018

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