About OHSHIMA Toshiya
About RION Co., Ltd., 3-20-41 Higashi-motomachi, Kokubunji, Tokyo 185-8533, JPN
About YAMADA Ichiro
About Aviation Environment Res. Center, Airport Environment Improvement Foundation, 1-6-5 Haneda Kuhkou, Ohta-ku, Tokyo ...
About Applied Acoustics
About helicopter
About aircraft noise
About duration time
About time companding
About sound wave signal
About annoyance
About psychological acoustics
About sound pressure level
About noise exposure
About persistence time
About time compression
About Discomfort
About Aircraft noise
About 音信号
About 圧縮伸長
About 技法
About ヘリコプタ
About 騒音
About 持続時間