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Details of the Nitech HMM-based Speech Synthesis System for the Blizzard Challenge 2005

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dc.contributor.author Heiga Zen en
dc.contributor.author Tomoki Toda en
dc.contributor.author Masaru Nakamura en
dc.contributor.author Keiichi Tokuda en
dc.date.accessioned 2012-07-05T07:00:47Z en
dc.date.available 2012-07-05T07:00:47Z en
dc.date.issued 2007-01 en
dc.identifier.issn 0916-8532 en
dc.identifier.uri http://hdl.handle.net/10061/7822 en
dc.description.abstract In January 2005, an open evaluation of corpus-based text-to-speech synthesis systems using common speech datasets, named Blizzard Challenge 2005, was conducted. Nitech group participated in this challenge, entering an HMM-based speech synthesis system called Nitech-HTS 2005. This paper describes the technical details, building processes, and performance of our system. We first give an overview of the basic HMM-based speech synthesis system, and then describe new features integrated into Nitech-HTS 2005 such as STRAIGHT-based vocoding, HSMM-based acoustic modeling, and a speech parameter generation algorithm considering GV. Constructed Nitech-HTS 2005 voices can generate speech waveforms at 0.3 ×RT (real-time ratio) on a 1.6 GHz Pentium 4 machine, and footprints of these voices are less than 2 Mbytes. Subjective listening tests showed that the naturalness and intelligibility of the Nitech-HTS 2005 voices were much better than expected. ja
dc.language.iso en en
dc.publisher 電子情報通信学会 ja
dc.rights Copyright (C) 2007 電子情報通信学会. ja
dc.subject HMM-based speech synthesis en
dc.subject Blizzard Challenge 2005 en
dc.subject STRAIGHT en
dc.subject HSMM en
dc.subject GV en
dc.title Details of the Nitech HMM-based Speech Synthesis System for the Blizzard Challenge 2005 en
dc.type.nii Journal Article en
dc.textversion publisher en
dc.identifier.ncid AA10826272 en
dc.identifier.jtitle IEICE Transactions on Information and Systems en
dc.identifier.volume E90-D en
dc.identifier.issue 1 en
dc.identifier.spage 325 en
dc.identifier.epage 333 en
dc.relation.doi 10.1093/ietisy/e90-1.1.325 en
dc.identifier.url https://search.ieice.org/ en
dc.identifier.NAIST-ID 73292716 en

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