About NAKAMURA AKIRA
About NHK 放送技研
About SEIYAMA NOBUMASA
About NHK 放送技研
About IKEZAWA RYU
About NHK 放送技研
About TAKAGI TOORU
About NHK 放送技研
About MIYASAKA EIICHI
About NHK 放送技研
About 日本音響学会誌
About auditory sense
About 認識速度
About Prosthesis(=artificial substitutes for body part)
About Acoustic transducer and other acoustic equipments
About リアルタイム
About 話速変換