◎ Asian Symposium on Contamination Control 2023 (Kanazawa Tokyu Hotel (Ishikawa prefecture), September 20–22, 2023) • Calibration of counting efficiency of the bio-fluorescent air-borne particle counter with respect to viable counts Kenjiro Iida (AIST), Takashi Minakami (Rion), and Takuji Ikeda (Nitta Corporation)◎ The 37th Meeting of the Japanese Society for Biological • Microbial count in drinking water from the ISS using a viable particle counter Takashi Minakami, Kazuma Sekimoto (Rion), and Takashi Yamazaki (Teikyo University, JAXA)◎ 2023 Autmn Meeting of the Acoustical Society of Japan (Nagoya Institute of Technology (Aichi prefecture), Septem-ber 26–28, 2023) • Relationship between speech hearing threshold and pure tone hearing level in noisy environments Tatsuya Oka, Takeshi Nakaichi (Rion), Kao Yamaoka, Yumi Sakai (FANCL Corporation), and Yasuhide Okamoto (Tokyo Saiseikai Central Hospital, Keio University) • Compact, ultra-low frequency microphone using hearing aid microphones Taira Ito, Masato Morikawa (Rion), and Ryouichi Nishimura (NICT) • Vibration acceleration characteristics of a porous polypro-pylene film sensor Norio Okubo (Rion), Yoshinobu Yasuno, and Hidekazu Kodama (Kobayasi Institute of Physical Research) • Residual diffuse noise control based on a deep binaural multiframe MVDR filter Ryo Sato and Nobuhiko Hiruma (Rion) • Tests of human auditory temporal resolution: (6) Estimating probability density distribution of the hearing impaired in amplitude modulation detection Takeshi Morita (Kyushu University), Takashi Morimoto (Ri-on), Yasuhide Okamoto (Tokyo Saiseikai Central Hospital), Sho Kanzaki (Tokyo Medical Center), and Shuji Mori (Kyushu University) • Examination of low frequency sound monitoring system—Wind noise identification and direction estimation for over-head sound sourcesSciences in Space (Nagasaki University (Nagasaki prefecture), September 22–24, 2023) Tetsuya Doi, Keiichiro Iwanaga, Tomohiro Kobayashi (Ko-bayasi Institute of Physical Research), Tsumugi Nakayama and Yasutaka Nakajima (Rion) • (Invited lecture) Investigation of a cartilage conduction hear-ing aid for sensorineural hearing loss Keisuke Watanuki, Takashi Yamasaki, Akihiro Soeta, Kei Koyama, Sae Yanaga, Shinichi Ishikawa, and Shinichiro Yanaga (Rion)● Frontiers in Neurology Sec. Neuro-Otology Volume 14 • 80 Hz auditory steady state responses (ASSR) elicited by si- (Issued July 13, 2023, academic journal)lent gaps embedded within broadband noise Seiichi Kadowaki (International University of Health and Welfare), Takashi Morimoto (Rion Co., Ltd.), Marta Pijanowska (International University of Health and Welfare/University of Tokyo), Shuji Miri (Graduate School Kyusyu University), and Hidehiko Okamoto (International University of Health and Welfare)The 3rd Karakuri Kaizen Exhibition in Thailand 2024 hosted by the Japan Institute of Plant Maintenance(Bangkok (Thailand), February 7–8, 2024) https://jipm-event.com/karakuri/exh/global-thailandThe 151st (2024 Spring) Meeting of the Acoustical Society of Japan(Takushoku University, March 6–8, 2024) https://acoustics.jp/annualmeeting/SEMICON JAPAN 2023(Tokyo Big Sight, December 13–15, 2023) https://www.semiconjapan.org/jpSEMICON KOREA 2024(COEX, January 31–February 2, 2024) https://semiconkorea.org/en/10th INTERPHEX Week Osaka(INTEX Osaka, March 13–15, 2024) https://www.interphex.jp/osaka/ja-jp.htmlSEMICON CHINA 2024(Shanghai New International Expo Centre, March 20–22, 2024) https://www.semiconchina.org/enExhibitions/Academic Meetings (Environmental Instruments and Particle Counters) (Events may be postponed due to societal circumstances.)Research Presentations/Review Articles 16RRiioonn’’ss [[AAccttiivviittyy RReeppoorrtt]]
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