Research Presentations/Review ArticlesWith the completion of construction on the new building (Rion Plaza), the area to the west of the main gate — previously used as a welfare facility — has been made available to the public as a communal space. This area faces the Tokyo metropolitan road that connects JR Kokubunji Station and Nishi-Kokubunji Station and is positioned at a junction to the city’s tourist attractions, including the Musashi Kokubunji historical site, Otaka-no-Michi, and Musashi Kokubunji Park. The path starting from the side of the main gate connects to the Otaka-no-Michi promenade behind the company building. This communal space has been open since November 2024. Exhibitions/Academic Meetings Photo by Kawasumi and Kobayashi Kenji Photo Office • Revision of “Vibration Measurement Manual” and summary of Version 2 Hiromitsu Umayahara (Rion), Shigenori Yokoshima (Kanagawa Environmental Research Center), and Yoshihiro Hirao (Kobayasi Institute of Physical Research) • The effect of the audibility of high and low-frequency sound source on the speech reception threshold in noise for normal-hearing Tatsuya Oka, Takeshi Nakaichi (Rion), and Yasuhide Okamoto (Saiseikai Central Hospital/Keio University) ● International Journal of Audiology[Published online: 10 Dec 2024] • Rising-frequency chirp stimuli effectively enhance the amplitude and shorten the latency of 40-Hz auditory steady-state response Shunsuke Takai (Tohoku University), Takashi Morimoto (Rion), Akitake Kanno, Tetsuaki Kawase, Jun Suzuki, Nobukatsu Nakasato, Ryuta Kawashima, and Yukio Katori (Tohoku University) DOI: 10.1080/14992027.2024.2430765(Events may be postponed due to societal circumstances.) Medical The 126th Annual Meeting of the Japanese Society of Otorhinolaryngology – Head and Neck Surgery[PACIFICO Yokohama North, May 27–30, 2025] https://www.mediproduce.com/jibika126/Environment The 2025 Spring Meeting of the Institute of Noise Control Engineering of Japan[Online meeting, April 17, 2025] https://www.ince-j.or.jp/recital Automotive Engineering Exposition 2025 YOKOHAMA[PACIFICO Yokohama, May 21–23, 2025] https://aee.expo-info.jsae.or.jp/en/yokohama/ The 31st International Congress on Sound and Vibration (ICSV31) [Incheon (Korea), July 6-11, 2025] https://www.icsv31.org/Particle The 27th INTERPHEX JAPAN[Tokyo Big Sight, July 9–11, 2025] https://www.interphex.jp/hub/en-gb.html ◎ 31st PDA Japan Annual Meeting 2024[Tower Hall Funabori (Tokyo), December 5–6, 2024] • Advanced Practices Using Rapid Microbiological Method (RMM) in Quality Control of Pharmaceutical Water Takashi Minakami (Rion), Yasuhito Ikematsu (Osaka University), Kimitaka Misawa (Shionogi Pharma), Kenta Yoshii (Santen Pharmaceutical), Hideki Nakayama (Horiba Advanced Techno), and Yoshihito Yagihashi (Mettler-Toledo) ◎ 48th Annual MidWinter Meeting of the Association For Research In Otolaryngology[Florida (USA), February 22–26, 2025] • Tests of human auditory temporal resolution: psychophysical measurements of normal hearing listeners by Bayesian estimation Takashi Morimoto (Rion), Yayoi Yamamoto (International Univer-sity of Health and Welfare), Chie Obuchi (Tsukuba University), Yasuhide Okamoto (Tokyo Saiseikai Central Hospital/Keio University), Sho Kanzaki (Tokyo Medical Center), and Shuji Mori (Kyushu University) ◎ Technical Committee on Noise and Vibration, the Acoustical Society of Japan[Rion Co., Ltd. (Tokyo), March 11, 2025] • Consideration on Time Synchronization for Wide-Area and Multipoint Noise Measurement Tomoaki Cho, and Ryosuke Kazama (Rion) ◎ 2025 Spring meeting of the Acoustical Society of Japan[Saitama University (Saitama), March 17–19, 2025] • Investigation of extraction scale control methods for class-based target sound extraction Ryo Sato, Chiho Haruta, Nobuhiko Hiruma (Rion), and Keisuke Imoto (Doshisha University) • Performance evaluation of a deep learning-based acoustic feedback canceller for hearing aids trained in a closed-loop configuration Yuuki Yuno, Ryo Sato, and Nobuhiko Hiruma (Rion) • Tests of human auditory temporal resolution: (8) Measurement efficiency in case of using the initial probability density function of a bimodal distribution Takashi Morimoto (Rion), Takeshi Morita (Kyushu University), Yayoi Yamamoto (International University of Health and Wel-fare), Chie Obuchi (University of Tsukuba), Yasuhide Okamoto (Saiseikai Central Hospital/Keio University), Sho Kanzaki (Tokyo Medical Center), and Shuji Mori (Kyushu University)16Available as an Open Public SpaceRRiioonn’’ss [[AAccttiivviittyy RReeppoorrtt]]
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