Earphone microphone

摘要

Provided is an earphone microphone capable of outputting sound with good quality and picking up clear sound. The earphone microphone includes a speaker, a microphone, a main body case, and a seal member. The seal member seals between the main body case and user's external acoustic meatus when the earphone microphone is inserted in the external acoustic meatus. The main body case is provided with an acoustic space in which the speaker and the microphone are disposed, and a first opening and a second opening which are communicated with the acoustic space. When the earphone microphone is inserted in the external acoustic meatus, the first opening is communicated with the external acoustic meatus while the second opening is communicated with outside of the main body case other than the external acoustic meatus.

主权项

1. An earphone microphone comprising a speaker, a microphone having first and second sound input holes, a case, a seal member for sealing between the case and an external acoustic meatus when the earphone microphone is inserted in the external acoustic meatus, wherein
the case comprises:
an acoustic space,a first opening which faces the external acoustic meatus, anda second opening which faces outside the casing except the external acoustic meatus, the acoustic space is divided into a first acoustic space and a second acoustic space, the second acoustic space having a volume smaller than a volume of the first acoustic space, the first acoustic space communicates with the first opening, and the speaker is arranged in the first acoustic space, and the second acoustic space communicates with the first and second openings, and the microphone is arranged in the second acoustic space, and the first and second sound input holes face the second acoustic space.