公开(公告)号：US10856066B2

公开(公告)日：2020-12-01

申请号：US16299419

申请日：2019-03-12

申请人： Peng Lee ,  Yi-Wen Liu

发明人： Peng Lee ,  Yi-Wen Liu

IPC分类号： G10K11/178 ,  H04R3/00 ,  H04R1/10 ,  H04R1/08

摘要： The invention discloses an earphone device comprising a first case, a first speaker unit, a first recording unit, and a second recording unit. The first speaker unit, disposed inside the first case, emits a first testing sound signal according to a test command. The first recording unit, disposed inside the first case, records a first environment sound signal according to a record command or a noise cancelling command. The second recording unit, disposed inside the first case, records a first feedback sound signal, related to the first testing sound signal, according to the test command.