| 摘要 |
PROBLEM TO BE SOLVED: To provide an ear microphone that prevents howling with a small size, a simple structure at a low cost and prevents fidelity in a high frequency sound component from being deteriorated. SOLUTION: The ear microphone is provided with a speaker unit 3 and a microphone unit 4 that are placed separately, a sound shield member 8 with an outer diameter in pressure contact with an external auditory meatus 6A of the user, a 1st sound guide 5 that is fitted to the speaker unit 3 and leads a sound produced by the speaker unit to the external auditory meatus 6A, a 2nd sound guide 7 that is fitted to the microphone unit 3 and leads a sound generated by the user to the microphone unit, a 1st sound hole 8c that is formed to the sound shield member 8 so as to communicate with the 1st sound guide 5, and a 2nd sound hole 8D that is formed to the sound shield member 8 so as to communicate with the 2nd sound guide 7.
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