About MATSUMOTO HIROSHI
About KOBAYASHI KENJI
About YASUDA TSUTOMU
About SHIRASAWA ATSUSHI
About 日本電気三栄
About human(primates)
About Prosthesis(=artificial substitutes for body part)
About FAST
About FFT
About アナライザー
About 人工弁
About 閉鎖音
About 周波数スペクトル
About 分析法