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Evaluating Prosodic Processing for Incremental Speech Synthesis

  • Incremental speech synthesis (iSS) accepts input and produces output in consecutive chunks that only together result in a full utterance. Systems that use iSS thus have the ability to adapt their utterances while they are ongoing. Having available less than the full utterance to plan the acoustic realisation has downsides, however, as global optimisation is not possible anymore. In this paper we present a strategy for incrementalizing the symbolic pre-processing component of speech synthesis and assess the influence of a reduction in "lookahead", i. e. in knowledge about the rest of the utterance, on prosodic quality. We found that high quality incremental output can be achieved even with a lookahead of slightly less than one phrase, allowing for timely system reaction.

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Metadaten
Author:Timo BaumannORCiDGND, David Schlangen
DOI:https://doi.org/10.21437/Interspeech.2012-152
Parent Title (English):Proceedings of Interspeech 2012
Publisher:International Speech Communication Association
Document Type:Part of a Book
Language:English
Year of first Publication:2012
Release Date:2023/05/11
Tag:incrementality; prosody; speech synthesis; spoken dialogue systems
First Page:438
Last Page:441
Institutes:Fakultät Informatik und Mathematik
Publication:Externe Publikationen
research focus:Information und Kommunikation
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG
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