Výsledky vyhledávání - "Toshie Namiki"

Noise Reduction Filter of Cascaded Sandglass-type Neural Network Adaptively Controlled by Noise Intensity for Speech Signal

Autor: Toshie Namiki, Naoki Isu, Yuki Furumoto, Kazuhiro Sugata, Hiroki Yoshimura, Tadaaki Simizu

Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 123:430-439

An adaptive noise reduction filter composed of Cascaded Sandglass-type Neural Network (CSNNRF) is proposed to develop a hearing aid appliance. The number of unit sandglass-type neural networks (SNNs) is controlled adaptively by noise intensity. Usual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c946168f218256632e9631fb3ac4ef71
https://doi.org/10.1541/ieejeiss.123.430

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Optimal Phonemic Environmental Range to Select VCV Instances for VCV Speech Synthesis by Rule

Autor: Masaya Kimoto, Kazuhiro Sugata, Tadaaki Shimizu, Toshie Namiki, Hiroki Yoshimura, Naoki Isu

Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 123:467-474

We proposed two selection methods, 1) selection method by using phonemic environmental resemblance score (PER method), and 2) selection method by searching minimal connective distortion path (MLD method), for small scale speech synthesis system. PER

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cc3e898b3112fe0d675b79ceb285c00
https://doi.org/10.1541/ieejeiss.123.467

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Coding scheme of residual signal to improve the clearness of explosive consonant for LSP-VCV speech synthesis

Autor: Toshie Namiki, Kazuhiro Sugata, Naoki Isu, Tadaaki Shimizu, Hiroki Yoshimura

Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 122:224-231

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aca6df28144f0a22d8c9c2849baa9e11
https://doi.org/10.1541/ieejeiss1987.122.2_224

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ChemInform Abstract: A New Synthetic Approach to Pseudo-Sugars by Asymmetric Diels-Alder Reaction. Synthesis of Optically Pure Pseudo-β-D-mannopyranose, 1- Amino-1-deoxypseudo-α-D-mannopyranose and Pseudo-α-L- mannopyranose Derivatives

Autor: Toru Koizumi, H. Kotsubo, Toshie Namiki, Akira Iyobe, Tamiko Takahashi

Publikováno v: ChemInform. 22

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed92023b201ae0709c9c9e1d2399a367
https://doi.org/10.1002/chin.199108308

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A new synthetic approach to pseudo-sugars by asymmetric Diels–Alder reaction. Synthesis of optically pure pseudo-β-D-mannopyranose, 1 -amino-1 -deoxypseudo-α-D-mannopyranose and pseudo-α-L-mannopyranose derivatives

Autor: Toru Koizumi, Akira Lyobe, Hironori Kotsubo, Toshie Namiki, Tamiko Takahashi

Publikováno v: J. Chem. Soc., Perkin Trans. 1. :3065-3072

Synthesis of the optically pure title compounds has been achieved. The key features involved (i) construction of 7-endo-oxabicyclo[2.2.1 ]hept-5-ene-2-carboxylates 3 and 9a by the asymmetric Diels–Alder reaction of (S)s-3-(2-pyridylsulphinyl)acryla

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97c829d1afa46671e1062568d7d8073f
https://doi.org/10.1039/p19900003065

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A new synthetic route to methyl (-)-shikimate by asymmetric diels-alder reaction of (S)s-3-(2-pyridylsulfinyl)acrylate

Autor: Yoshio Takeuchi, Toru Koizumi, Tamiko Takahashi, Toshie Namiki

Publikováno v: Chemical and Pharmaceutical Bulletin. 36:3213-3215

A 7-oxabicyclo[2.2.1]heptene derivative ((7a)___-) that substituted effectively for the synthesis of (-)-shikimic acid was prepared by an asymmetric Diels-Alder reaction of (S__-)S-3-(2-pyridylsulfinyl)acrylate (2__-) with 3, 4-dibenzyloxyfuran (4__-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8d90fd19d46171431cc1607e6ded2be
https://doi.org/10.1248/cpb.36.3213

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