音おん響きょう技ぎ術じゅつ専せん門もん学がっ校こうMeaningsNoun1. Institute of Sound Technics; ISTKanji used音sound響echo技skill術technique専specialty門gate学study校schoolComposed of音おん響きょうsound; noise; audio; acoustics; reverberationNoun技ぎ術じゅつtechnology; engineering; technique; skill; art; craftNoun専せん門もん学がっ校こうvocational school; technical schoolNoun