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Implementation of Polish speech synthesis for the BOSS system

Demenko G., Mobius B., Klessa K.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2010

Vol. 58, nr 3

371-376

The Bonn Open Synthesis System (BOSS) is an open-source software for the unit selection speech synthesis that has been used for the generation of high-quality German and Dutch speech. This article presents ongoing research and development aimed at adapting BOSS to the Polish language. In the first section, the origins and workings of the unit selection method for speech synthesis are explained. Section two details the structure of the Polish corpus and its segmental and prosodic annotation. The subsequent sections focus on the implementation of Polish TTS modules in the BOSS architecture (duration prediction and cost function) and the steps involved in preparing a new speech corpus for BOSS.

Transcription-based automatic segmentation of speech

Szymański M., Grocholewski S.

Archives of Control Sciences

2005

Vol. 15, no. 3

461--468

The important element of today's speech systems is the set of recorded wavefiles annotated by a sequence of phonemes and boundary time-points. The manual segmentation of speech is a very laborious task, hence the need for automatic segmenation algorithms. However, the manual segmentation still outperforms the automatic one and at the same time the quality of resulting synthetic voice highly depends on the accuracy of the phonetic segmentation. This paper describes our methodology and implementation of automatic speech segmentation, emphasizing its new elements.