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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SP | 2014-02-28 10:30 |
Tokushima | The University of Tokushima | Evaluation of reverberant speech recognition by selecting suitable acoustic model with acoustic parameters Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.)  SP2013-108 |
The reverberant speech degrades the speech recognition performance in the field of distant-talking speech. As one of app... [more] | SP2013-108 pp.7-12 |
| SP | 2014-02-28 12:40 |
Tokushima | The University of Tokushima | [Poster Presentation]
A study on criteria of an optimal iteration times based on higher order statistics for spectral subtraction method Ryota Miyake, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) SP2013-110 |
In this paper, we estimate optimal iteration times in weighted spectral subtraction to achieve higher noise and musical ... [more] | SP2013-110 pp.19-20 |
| SP | 2014-02-28 12:40 |
Tokushima | The University of Tokushima | [Poster Presentation]
Dimensionality Reduction of Feature Vector for Shouted Speech Detection in Noisy Environments Naoto Kakino, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.), Hiroaki Nanjo (Ryukoku Univ.) SP2013-111 |
In this study, we try to detect shouted speech uttered in the hazardous situation toward a crime prevention system with ... [more] | SP2013-111 pp.21-22 |
| SP, EA, SIP | 2013-05-16 14:00 |
Okayama | An evaluation of the performance estimation of noisy and reverberant speech recognition with noisy and reverberant criteria NRSR-PDn Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2013-6 SIP2013-6 SP2013-6 |
[more] | EA2013-6 SIP2013-6 SP2013-6 pp.31-36 |
|
| SP, EA, SIP | 2013-05-17 13:50 |
Okayama | Evaluating numerical dispersion in 3-dimensional sound field with calculating on spatial-frequency domain Kota Nakano, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2013-22 SIP2013-22 SP2013-22 |
Recently, the 3-dimensional sound field reproduction is proposed to represent sound contents with high realistic sensati... [more] | EA2013-22 SIP2013-22 SP2013-22 pp.127-132 |
|
| SIP, RCS | 2013-02-01 09:50 |
Hiroshima | Viewport-Kure-Hotel (Kure) | Study of optimum spatial resolution at each frequency band based on variances of phase differences for real-time sound source localization Kohei Hayashida, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) SIP2012-100 RCS2012-257 |
Conventional near-field sound source localization methods with microphone-array calculate spatial spectrum in each scann... [more] | SIP2012-100 RCS2012-257 pp.115-120 |
| SIP, RCS | 2013-02-01 10:15 |
Hiroshima | Viewport-Kure-Hotel (Kure) | A Study on Clipping Noise Suppression of Speech Based on Weighted Spectral Envelope on Divided Frequency Bands Makoto Hayakawa, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) SIP2012-101 RCS2012-258 |
In the speech recording, a speech quality is degraded with clipping noise when the amplitude of input signal exceeds the... [more] | SIP2012-101 RCS2012-258 pp.121-126 |
| US, EA (Joint) |
2013-01-24 13:10 |
Kyoto | Kambaikan, Doshisha Univ. | A study on reproduced area control based on separating emission of carrier and subband waves Masato Nakayama, Tadashi Matsui, Takanobu Nishiura (Ritsumeikan Univ.) US2012-92 EA2012-123 |
The parametric loudspeaker is ideal candidate to achieve audio system with the super high directivity by using ultrasoun... [more] | US2012-92 EA2012-123 pp.25-30 |
| PRMU, MVE, IPSJ-CVIM (Joint) [detail] |
2013-01-23 10:40 |
Kyoto | Implementation of Moving Sound Image Based on Interpolation of the Sound Image Position and Visual Assistance with Parametric Loudspeakers Yoshikazu Ito, Masato Nakayama, Takanobu Nishiura, Asako Kimura, Fumihisa Shibata, Hideyuki Tamura (Ritsumeikan Univ.) PRMU2012-92 MVE2012-57 |
We develop an MR system that merged the real and virtual worlds in both the audio and visual sense. In this study, we su... [more] | PRMU2012-92 MVE2012-57 pp.93-98 |
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| PRMU, MVE, IPSJ-CVIM (Joint) [detail] |
2013-01-23 16:40 |
Kyoto | Reproduction of high-realistic acoustic sound field based on the radiation characteristics of musical accompaniment for Gion festival Naoki Yoshimoto, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) PRMU2012-99 MVE2012-64 |
We attempt the digital archive for festival music signals (``OHAYASHI'' in Japanese) in Yamahoko parade. The festival mu... [more] | PRMU2012-99 MVE2012-64 pp.163-168 |
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| EA, SP, SIP | 2012-05-24 11:35 |
Osaka | Osaka Univ. Nakanoshima Center | A study of acoustic distance measurement method based on interference of speech presented by a dialogue system in real environments Masato Nakayama (Ritsumeikan University), Yuma Neki, Noboru Nakasako (Kinki Univ.), Tetsuji Uebo (WIRE AUTOMATIC DEVICE CO., LTD), Takanobu Nishiura (Ritsumeikan University) EA2012-3 SIP2012-3 SP2012-3 |
In this paper, we propose an acoustic distance measurement method based on interference of speech presented by a dialogu... [more] | EA2012-3 SIP2012-3 SP2012-3 pp.13-18 |
| EA, SP, SIP | 2012-05-24 14:45 |
Osaka | Osaka Univ. Nakanoshima Center | An Evaluation of Demodulation for Parametric Loudspeaker based on Spectral Envelope Daisuke Ikefuji, Masato Nakayama, Masanori Morise, Takanobu Nishiura (Ritsumeikan Univ.) EA2012-13 SIP2012-13 SP2012-13 |
Parametric loudspeakers with sharper directivity can reproduce audible sounds to a particular area. Parametric loudspeak... [more] | EA2012-13 SIP2012-13 SP2012-13 pp.71-77 |
| EA, SP, SIP | 2012-05-24 15:35 |
Osaka | Osaka Univ. Nakanoshima Center | A reproduction of approximate radiation characteristics for the vowels and the consonants with a polyhedron loudspeaker Naoki Yoshimoto, Masato Nakayama, Masanori Morise, Takanobu Nishiura (Ritsumeikan Univ.) EA2012-15 SIP2012-15 SP2012-15 |
Spoken dialogue systems have been studied for car navigation systems and voice search systems. For an evaluation, the mo... [more] | EA2012-15 SIP2012-15 SP2012-15 pp.85-90 |
| EA, SP, SIP | 2012-05-24 16:00 |
Osaka | Osaka Univ. Nakanoshima Center | An evaluation of the real-time sound source localization based on the multi-resolution scanning in spatial and frequency domains Kohei Hayashida, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-16 SIP2012-16 SP2012-16 |
For realizing useful speech interface, pre-processing such as speech enhancement and sound source localization must be f... [more] | EA2012-16 SIP2012-16 SP2012-16 pp.91-96 |
| EA, SP, SIP | 2012-05-25 15:00 |
Osaka | Osaka Univ. Nakanoshima Center | A study of unusual sound detection based on multi stage environmental sound discrimination with multi-reverbrent-condition model Junpei Ogawa, Kohei Hayashida, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-29 SIP2012-29 SP2012-29 |
In recent years, the method for utilizing environmental sounds has been increasingly used for family to monitor the life... [more] | EA2012-29 SIP2012-29 SP2012-29 pp.167-172 |
| EA, SP, SIP | 2012-05-25 16:00 |
Osaka | Osaka Univ. Nakanoshima Center | Evaluation and analysis of speaking-style in reverberant speech recognition performance Takahiro Fukumori, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-31 SIP2012-31 SP2012-31 |
In recent years, a hands-free speech device has been developed with improving speech recognition techniques. The reverbe... [more] | EA2012-31 SIP2012-31 SP2012-31 pp.179-184 |
| EA, SP, SIP | 2012-05-25 16:25 |
Osaka | Osaka Univ. Nakanoshima Center | A study of sound source localization in reverberant environments with blind impulse response estimation Yasuhiro Kuratani, Kohei Hayashida, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-32 SIP2012-32 SP2012-32 |
The multiple channel 2D-CSP method estimates sound source positions with a microphone-array. In this method, the estimat... [more] | EA2012-32 SIP2012-32 SP2012-32 pp.185-190 |
| EA, SIP, SP | 2011-05-12 10:25 |
Osaka | Ritsumeikan Univ. | A study of musical tone reduction based on subband spectral subtraction Keisuke Horii, Takahiro Fukumori, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2011-1 SIP2011-1 SP2011-1 |
In this paper, we'll explain reducing musical tone with Spectral Subtraction(SS). SS is generally used because it is ach... [more] | EA2011-1 SIP2011-1 SP2011-1 pp.1-6 |
| EA, SIP, SP | 2011-05-12 14:15 |
Osaka | Ritsumeikan Univ. | Evaluation and analysis of speaking-position and speaker dependence for reverberant speech recognition Takahiro Fukumori, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2011-10 SIP2011-10 SP2011-10 |
In this research, we investigate speaking-position and speaker dependence for reverberant speech recognition. Many peopl... [more] | EA2011-10 SIP2011-10 SP2011-10 pp.55-60 |
| EA, SIP, SP | 2011-05-13 10:25 |
Osaka | Ritsumeikan Univ. | Classification for golf ball's "Impact-sound" based on delta wavelet spectrum Kohei Hayashida, Takanobu Nishiura (Ritsumeikan Univ.), Rock Ishii, Yutaka Kabeshita, Arthur Molinari (NIKE) EA2011-18 SIP2011-18 SP2011-18 |
We have studied a cool sound of a golf ball and a relation between impact sounds and physical properties for developing ... [more] | EA2011-18 SIP2011-18 SP2011-18 pp.101-106 |
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