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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, US (Joint) |
2023-12-22 15:20 |
Fukuoka | [Poster Presentation]
Performance evaluation of acoustic test signals under discrete Fourier transform-based framework Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Tokyo Univ. Agriculture and Tech.), Mitsunori Mizumachi (Kyushi Inst. Tech.), Ken-Ichi Sakakibara (Health Sci. Univ. Hokkaido), Tatsuya Kitamura (Konan Univ.)  EA2023-57 |
We introduced a unified framework for impulse response measurement using popular test signals and our newly proposed one... [more] | EA2023-57 pp.49-56 |
|
| IA | 2023-09-22 14:00 |
Hokkaido | Hokkaido Univeristy (Primary: On-site, Secondary: Online) |
Investigation of Acoustic Feature Estimation Based on Periodicity of Mechanical Equipment for Remote Anomaly Detection System Rio Shigyo, Daiki Nobayashi, Kazuya Tsukamoto, Mitsunori Mizumachi, Takeshi Ikenaga (KIT) IA2023-28 |
Status checks of mechanical equipment are typically being conducted by workers (manpower). However, since the check timi... [more] | IA2023-28 pp.105-108 |
| EA, ASJ-H | 2023-08-31 14:15 |
Miyagi | Acoustic test signals for measuring reverberant transfer function and its application to critical distance estimation Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Tokyo Univ. Agri. Tech.), Ken-Ichi Sakakibara-Ichi (Health Sci. Univ. Hokkaido), Mitsunori Mizumachi (Kyushu Inst. Tech.), Tatsuya Kitamura (Konan Univ.) EA2023-20 |
We propose a dedicated test signal for acoustic measurement specifically for room acoustics based on our recent method. ... [more] | EA2023-20 pp.14-17 |
|
| EA | 2023-05-25 14:00 |
Online | Online | Weighting functions to suppress artifacts due to cyclic convolution in acoustic measurements based on discrete Fourier transform Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Tokyo Univ. Agriculture Tech.), Mitsunori Mizumachi (Kyushu Inst. Tech.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido) EA2023-1 |
The Fast Fourier Transform (FFT) is a common practice in acoustic impulse response measurement and processing due to its... [more] | EA2023-1 pp.1-8 |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-02-28 09:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Extension of acoustic system measurement based on signal safeguarding
-- Repetition and orthogonalization for post hoc analysis -- Hideki Kawahara (和歌山大), Kohei Yatabe (Tokyo Univ。 of Agriculture and Technology), Ken-Ichi Sakakibara (Health Sciences Univ. of Hokkaido), Mitsunori Mizumachi (Kyushu Inst. of Tech.) EA2022-79 SIP2022-123 SP2022-43 |
Subdivision of a periodic signal provides a hierarchical set of generally different signals. Each subdivided signal appl... [more] | EA2022-79 SIP2022-123 SP2022-43 pp.25-30 |
| RISING (3rd) |
2022-10-31 10:30 |
Kyoto | Kyoto Terrsa (Day 1), and Online (Day 2, 3) | [Poster Presentation]
Study of Data Collection System for Anomaly Detection by Ultrasonic Components of Mechanical Equipment Operating Sounds Rio Shigyo, Daiki Nobayashi, Kazuya Tsukamoto, Mitsunori Mizumachi, Takeshi Ikenaga (KIT) |
Status checks of mechanical equipment are typically being conducted by workers (manpower) at the actual place. However, ... [more] | |
| IA, CQ, MIKA (Joint) |
2022-09-16 15:45 |
Hokkaido | Hokkaido Citizens Actives Center (Primary: On-site, Secondary: Online) |
Study of Data Collection System for Ultrasonic Waves Based Anomaly Detection of Mechanical Equipment Rio Shigyo, Daiki Nobayashi, Kazuya Tsukamoto, Mitsunori Mizumachi, Takeshi Ikenaga (KIT) IA2022-32 |
Status checks of mechanical equipment are typically being conducted by workers (manpower). However, since the check timi... [more] | IA2022-32 pp.97-102 |
| EA, SIP, SP, IPSJ-SLP [detail] | 2022-03-01 15:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Prototyping acoustical system measurement tool using music and other auditory contents Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Waseda Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Mitsunori Mizumachi (Kyushu Inst Tech.), Tatsuya Kitamura (Konan Univ.), Hideki Banno (Meijo Univ.) EA2021-77 SIP2021-104 SP2021-62 |
We implemented a prototype tool to measure acoustic properties using any audio contents such as music. It measures the l... [more] | EA2021-77 SIP2021-104 SP2021-62 pp.82-89 |
| EA, US (Joint) |
2021-12-22 15:50 |
Kumamoto | Sojo University | [Poster Presentation]
Proposal of stereo width shrinkage method based on hybrid control of amplitude and phase differences between channels. Yui Ueno, Mitsunori Mizumachi (kyutech), Toshiharu Horiuchi (KDDI Research, Inc.) EA2021-60 |
[more] | EA2021-60 pp.18-23 |
| RISING (3rd) |
2021-11-16 11:30 |
Tokyo | (Primary: On-site, Secondary: Online) |
Development of Wireless Communication System for Acoustic Data Collection Toward Anomaly Detection on Mechanical Equipment Chinari Takano, Shinya Fujino, Daiki Nobayashi, Kazuya Tsukamoto, Mitsunori Mizumachi, Takeshi Ikenaga (Kyushu Inst. of Tech.) |
With the proliferation of Internet of Things (IoT) devices, we are able to monitor and operate these devices remotely at... [more] | |
| SP, IPSJ-SLP, IPSJ-MUS | 2021-06-18 13:00 |
Online | Online | Tools and practice for supporting recommended protocol for acoustic recording of speech data for high usability
-- Application of a cascaded all-pass filters with randomized center frequencies and phase polarities -- Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Waseda Univ.), Ken-Ichi Sakakibara (Health Sci. Univ. Hokkaido), Mitsunori Mizumachi (Kyushu Inst. Tech), Masanori Morise (Meiji Univ.), Hideki Banno (Meijo Univ.), Toshio Irino (Wakayama Univ.) SP2021-1 |
Objective measurements of speech data acquisition and presentation is clucial for assureing reploducibility and reusabil... [more] | SP2021-1 pp.1-6 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-03 14:05 |
Online | Online | [Poster Presentation]
Subjective optimization of stereo width shrink algorithm in headphones reproduction Yui Ueno, Mitsunori Mizumachi (kyutech.), Toshiharu Horiuchi (KDDI Research, Inc.) EA2020-68 SIP2020-99 SP2020-33 |
Recently, most of casual listeners listen to music via headphones and earphones. However, almost all of music sources as... [more] | EA2020-68 SIP2020-99 SP2020-33 pp.51-56 |
| EA, ASJ-H, EMM | 2020-11-20 13:30 |
Online | Online | [Poster Presentation]
Comparison of subjective characteristics between binaural rendering and stereo width control method Yui Ueno, Mitsunori Mizumachi (Kyutech), Toshiharu Horiuchi (KDDI Research, Inc.) EA2020-34 EMM2020-49 |
Recently, most of casual listeners listen to music via headphones and earphones to listen to music. However, almost all ... [more] | EA2020-34 EMM2020-49 pp.68-73 |
| EA, ASJ-H | 2020-08-07 13:00 |
Online | Online | Application of localized smooth phase manipulation functions to phase compensation of acoustic impulse response Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Mitsunori Mizumachi (KIT), Masanori Morise (Meiji Univ.), Hideki Banno (Meijo Univ.) EA2020-14 |
This report investigates the effects of boundary continuity of phase manipulation functions on the distribution of their... [more] | EA2020-14 pp.1-8 |
| EA, ASJ-H | 2020-07-20 15:55 |
Online | Online | Acoustic measurement extension based on frequency domain variant of velvet noise
-- advantage of combination of four sequences and application to simultaneous three dimensional localization -- Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Mitsunori Mizumachi (Kyushu Inst. Tech.), Masanori Morise (Meiji Univ.), Hideki Banno (Meijo Univ.) EA2020-7 |
[more] | EA2020-7 pp.35-42 |
| SP, EA, SIP | 2020-03-02 13:00 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
[Poster Presentation]
Evaluation of spatial impression of stereo sound source conversion methods for headphone reproduction Yui Ueno, Mitsunori Mizumachi (Kyutech), Toshiharu Horiuchi (KDDI Research, Inc.) EA2019-117 SIP2019-119 SP2019-66 |
[more] | EA2019-117 SIP2019-119 SP2019-66 pp.95-100 |
| SP, EA, SIP | 2020-03-03 12:35 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
Real-time visualization of reverberation time using frequency domain variants of velvet noise Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Mitsunori Mizumachi (Kyushu Inst. Tech.), Masanori Morise (Meiji Univ.), Hideki Banno (Meijo Univ.) EA2019-159 SIP2019-161 SP2019-108 |
We introduce a wavelet-based method for real-time visualization of reverberation time for extending acoustic measurement... [more] | EA2019-159 SIP2019-161 SP2019-108 pp.337-342 |
| EA, ASJ-H | 2019-10-29 13:00 |
Tokyo | NHK Science&Technology Research Lab. | Application of frequency domain variants of velvet noise to multi-aspect measurement of acoustic systems Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Mitsunori Mizumachi (Kyushu Inst. Tech.), Masanori Morise (Meiji Univ.), Hideki Banno (Meijo Univ.), Toshio Irino (Wakayama Univ.) EA2019-47 |
We introduce FVN (Frequency domain variants of Velvet Noise), a new member of TSP (Time Stretched Pulse), which consists... [more] | EA2019-47 pp.69-75 |
| EA, ASJ-H, ASJ-AA | 2019-07-17 13:00 |
Hokkaido | SAPPORO COMMUNITY PLAZA | Extension of acoustic measurement procedures based on frequency domain variants of the velvet noise Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ.), Mitsunori Mizumachi (Kyutech) EA2019-15 |
The frequency domain velvet noise (FVN) is a member of the time stretched pulse (TSP) in the broader sense because the... [more] |
EA2019-15 pp.77-82 |
| EA, SIP, SP | 2019-03-15 13:30 |
Nagasaki | i+Land nagasaki (Nagasaki-shi) | [Poster Presentation]
Subjective evaluation of power saving audio playback algorithm based on auditory masking Tsukasa Nakashima (Kyutech), Mitsuhiro Nakagawara (Panasonic), Mitsunori Mizumachi (Kyutech) EA2018-144 SIP2018-150 SP2018-106 |
[more] | EA2018-144 SIP2018-150 SP2018-106 pp.263-269 |
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