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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, SP, EA, IPSJ-SLP [detail] | 2024-03-01 09:50 |
Okinawa | (Primary: On-site, Secondary: Online) |
Variable step size of shared error NLMS algorithm for acoustic echo and noise canceller Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.)  EA2023-111 SIP2023-158 SP2023-93 |
In this paper, we propose a variable step size of a shared-error NLMS (SENLMS) algorithm for an acoustic echo and noise ... [more] | EA2023-111 SIP2023-158 SP2023-93 pp.294-299 |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-02-28 11:40 |
Okinawa | (Primary: On-site, Secondary: Online) |
Acoustic Echo and Noise Canceller Based on Minimization of Shared-Error Signal Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.) EA2022-86 SIP2022-130 SP2022-50 |
This paper proposes a new acoustic echo and noise canceller (AENC) based on minimizing a shared error signal. The conven... [more] | EA2022-86 SIP2022-130 SP2022-50 pp.67-72 |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 15:15 |
Okinawa | (Primary: On-site, Secondary: Online) |
Directivity Control of Multichannel One-point Spherical Microphone by Long Short-term Memory Networks Shota Naiki, Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ), Yoshiharu Soeta (AIST) |
[more] | |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 15:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
Study of Frequency Response Analysis of Effect Cymbals by Finite Element Method Kohei Izawa, Yuting Geng, Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.) |
[more] | |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 15:25 |
Okinawa | (Primary: On-site, Secondary: Online) |
Study of Speech Quality Improvement for Interpolated Missing Segments of Extracted Speech Signals from Captured Videos with Dual Rolling-Shutter Cameras Hayata Nakano, Yuting Geng, Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.) |
[more] | |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 15:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[more] | ||
| EA, ASJ-H | 2021-07-15 11:20 |
Online | Online | Beam Control Based on Multi-phased Array for Parametric Array Loudspeaker Yuting Geng, Haonan Wang (Ritsumeikan Univ.), Masato Nakayama (Osaka Sangyo Univ.), Takanobu Nishiura (Ritsumeikan Univ.) EA2021-5 |
Parametric array loudspeaker (PAL) can achieve a super directivity utilizing the straightness of ultrasounds. How- ever,... [more] | EA2021-5 pp.24-29 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-04 15:45 |
Online | Online | Nonlinear Modeling of Electro-dynamic Loudspeaker by Nonlinear IIR Filter Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.) EA2020-86 SIP2020-117 SP2020-51 |
In this paper, we introduce the nonlinear modeling of an electro-dynamic loudspeaker by a nonlinear IIR filter. There ar... [more] | EA2020-86 SIP2020-117 SP2020-51 pp.158-163 |
| SIP, EA, SP, MI (Joint) [detail] |
2018-03-20 09:00 |
Okinawa | [Poster Presentation]
A study on suitable modulation parameters for spectral peak noise reduction based on frequency modulated carrier in parametric loudspeaker Kairi Mori, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-151 SIP2017-160 SP2017-134 |
In the conventional modulation method using a parametric loudspeaker, a resonance frequency of an ultrasonic element is ... [more] | EA2017-151 SIP2017-160 SP2017-134 pp.275-276 |
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| SIP, EA, SP, MI (Joint) [detail] |
2018-03-20 09:00 |
Okinawa | [Poster Presentation]
Performance evaluation of unknown sound clustering for indoor-environmental sound classification based on self-generated acoustic model Sakiko Mishima, Yukoh Wakabayashi, Takahiro Fukumori, Keisuke Imoto, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-152 SIP2017-161 SP2017-135 |
Indoor-environmental sound classification is useful for surveillance systems which monitor the situations in the dark an... [more] | EA2017-152 SIP2017-161 SP2017-135 pp.277-280 |
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| SIP, EA, SP, MI (Joint) [detail] |
2018-03-20 09:00 |
Okinawa | [Poster Presentation]
Phase-aware spectral gain estimation using phase reconstruction based on phase distortion averaging Yukoh Wakabayashi, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-158 SIP2017-167 SP2017-141 |
[more] | EA2017-158 SIP2017-167 SP2017-141 pp.305-310 |
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| EA, ASJ-H | 2017-12-01 15:20 |
Overseas | University of Auckland (New Zealand) | Range Control of Maximum Demodulation Distance in Parametric Loudspeaker Using Flexible Acoustic-lens Kirara Ariyoshi, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-79 |
In this paper, we propose the control method of the maximum demodulation distance in the parametric loudspeaker using fl... [more] | EA2017-79 pp.109-114 |
| EA, ASJ-H | 2017-12-01 16:00 |
Overseas | University of Auckland (New Zealand) | HRTF Personalization Based on Pinna Shape Estimation with Handy 3D Scanner Zhuan Zuo, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-81 |
A binaural system using only headphones with head-related transfer functions (HRTFs) has been studied for reproducing a ... [more] | EA2017-81 pp.121-126 |
| SP | 2017-08-30 15:50 |
Kyoto | Kyoto Univ. | Detection of noisy-and-reverberant shouted speech using rahmonic and mel-frequency cepstrum coefficients Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.), Hiroaki Nanjo (Kyoto Univ.) SP2017-31 |
This paper describes a method based on new combined features with mel-frequency cepstrum coefficients (MFCCs) and rahmon... [more] | SP2017-31 pp.49-54 |
| EA, ASJ-H | 2017-08-10 14:00 |
Miyagi | Tohoku Univ., R. I. E. C. | Evaluation on Performance of Spatial Sound-image Projection on Acoustic Hologram with Multiple Parametric Loudspeakers Array Yoshinori Ogami, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-40 |
A parametric loudspeaker can transmit an audible sound to a particular area called "audio spot". By utilizing the parame... [more] | EA2017-40 pp.79-84 |
| EA, ASJ-H | 2017-08-10 14:25 |
Miyagi | Tohoku Univ., R. I. E. C. | A Study on Sound-quality Improvement Based on Multiplexed Double Sideband Modulation in Parametric Loudspeaker Yusei Nakano, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-41 |
A parametric loudspeaker can reproduce an audible sound to a particular area. To reproduce an audible sound, the paramet... [more] | EA2017-41 pp.85-90 |
| SP, SIP, EA | 2017-03-01 10:25 |
Okinawa | Okinawa Industry Support Center | Noisy speech reconstruction based on deep neural network with optical microphone Tomoyuki Mizuno, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2016-84 SIP2016-139 SP2016-79 |
Measuring distant-talking speech with high accuracy is important for detecting criminal activity. Various microphones su... [more] | EA2016-84 SIP2016-139 SP2016-79 pp.13-18 |
| SP, SIP, EA | 2017-03-01 12:40 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
Indoor-environmental sound identification based on deep neural network with higher-dimensional features Sakiko Mishima, Yukoh Wakabayashi, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2016-87 SIP2016-142 SP2016-82 |
Surveillance systems with a video camera have been utilized for the safety of people. It is important to identify the in... [more] | EA2016-87 SIP2016-142 SP2016-82 pp.31-36 |
| SP, SIP, EA | 2017-03-01 12:40 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
Reverberant speech enhancement with deep auto encoder based on harmonic structure Rikuto Ota, Yukoh Wakabayashi, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2016-107 SIP2016-162 SP2016-102 |
This paper describes reverberant speech enhancement (RSE) with deep auto encoder (DAE) based on harmonic structure. DAEs... [more] | EA2016-107 SIP2016-162 SP2016-102 pp.141-146 |
| SP, SIP, EA | 2017-03-02 09:00 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
An evaluation of voice intelligibility in factory noise environment based on active noise control and auditory masking Rumi Ito, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2016-126 SIP2016-181 SP2016-121 |
In factories, factory workers exposed to loud and continual noises feel strong discomfort. We have previously proposed a... [more] | EA2016-126 SIP2016-181 SP2016-121 pp.249-254 |
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