| 摘要 |
PURPOSE:To obtain natural stereophonic sense, by providing a diaphragm in an acoustic tube installing a head phone so that one end is directed to an ear pad and the other end is directed in front of the face. CONSTITUTION:Diaphragm 2, 2' are made to adhere to the inside of acoustic tubes 1, 1'. Acoustic opening ports 3, 3' of its one end are installed to ear pads 4, 4'. These acoustic tubes 1, 1' are connected by a band 6. When installing this head phone to a head, it is installed so that the other end of the acoustic tubes 1, 1' is directed toward the front side of the face. According to this constitution, a sound generated by the diaphragms 2, 2' is felt as if it arrived from the front side of the face, and natural stereophonic sense is obtained. |
