Zobrazeno 1 - 10 of 82 pro vyhledávání: '"Katsuyuki Niyada"'
2
Acoustic Analysis of Breathy and Rough Voice Characterizing Elderly Speech
Autor: Mitsunori Mizumachi, Katsuyuki Niyada, Takeshi Miyazaki
Publikováno v: Journal of Advanced Computational Intelligence and Intelligent Informatics. 14:135-141
This paper aims at investigating acoustic features, which can objectively explain breathiness and roughness of elderly speech, respectively. In this paper, acoustic analysis was carried out using word sequences, which were uttered by 153 male speaker
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2d28601cb7b3dd3057ecb8c4efa7500
https://doi.org/10.20965/jaciii.2010.p0135
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3
Robust Estimation of Sound Source Direction with Deterministic Background Noise and Stochastic Source Dynamics Models
Autor: Katsuyuki Niyada, Mitsunori Mizumachi
Publikováno v: Journal of Advanced Computational Intelligence and Intelligent Informatics. 14:208-213
Direction of Arrival (DOA), a type of auxiliary information used in acoustic signal processing, is vulnerable to acoustical noise, so we want to male the estimation of DOA in noisy environments, relying on spectral sparseness. The energy of acoustic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0249afb915889b5202979d097118955f
https://doi.org/10.20965/jaciii.2010.p0208
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5
Practical speaker-independent voice recognition using segmental features
Autor: Katsuyuki Niyada, Akira Ashida, Tatsuya Kimura
Publikováno v: Electronics and Communications in Japan (Part II: Electronics). 87:73-81
This paper reports a practical method that achieves speaker-independent large-vocabulary voice recognition with high accuracy and high noise immunity but with small computational complexity. The first feature of the method is that highly accurate rec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4485d8083c4546cb38d82d0eb86cd33
https://doi.org/10.1002/ecjb.10217
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6
Practical method of unspecified-speaker speech recognition on single-chip DSP
Autor: Maki Yamada, Masakatsu Hoshimi, Katsuyuki Niyada
Publikováno v: Systems and Computers in Japan. 30:88-95
This article describes a speech recognition method using phonemic similarity as a characteristic parameter, and development of a practicable system on a single-chip DSP. High performance of the proposed method was confirmed in a real-life environment
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95253dd4fcbca5dd92eed2c76a18bbdd
https://doi.org/10.1002/(sici)1520-684x(199908)30:9<88::aid-scj10>3.0.co
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9
Estimation of Active Speaker’s Direction Using Particle Filters for In-Vehicle Environment
Autor: Katsuyuki Niyada, Mitsunori Mizumachi
Publikováno v: Advances for In-Vehicle and Mobile Systems ISBN: 9780387335032
Building in-vehicle human-machine interfaces, information on speaker’s direction is helpful for achieving robust speech recognition and video camera control applications. This chapter presents two-step particle filtering approach in a spectro-spati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c8b62a6e5afe39f5b4beb41423ad8b5
https://doi.org/10.1007/978-0-387-45976-9_12
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