| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an earphone device having a microphone capable of suppressing the adverse effect on frequency characteristics of the microphone, the adverse effect being caused by resonance in a sound duct part .SOLUTION: An earphone device 100 having a microphone, includes: a microphone sound duct part 23 that is provided in a housing part 1 and transmits a voice input by the microphone 4 from an external space to the inside; and a speaker sound duct part 24 that is provided in the housing part 1 and transmits a voice output from a speaker 5 from the inside to the external space. A first cross-section area in the vicinity of an edge at the external space side of at least the microphone sound duct part 23 of the microphone sound duct part 23 and speaker sound duct part 24, is larger than a second cross-section area of a part other than the vicinity of the edge at the external space side of the microphone sound duct part 23.</p> |
