Chao Y.T.Yu Y.L.Yen J.Y.Li K.Lo Y.C.Liao Y.T.Lee L.C.JIA-YUSH YEN2019-10-222019-10-2220159781138027527https://www.scopus.com/inward/record.uri?eid=2-s2.0-84949870750&partnerID=40&md5=57b377312e4e2e1ad6f4e44dc5c5c87ahttps://scholars.lib.ntu.edu.tw/handle/123456789/427126Design of an advanced retractable multi-speaker headphoneconference paper2-s2.0-84949870750