| 摘要 |
PROBLEM TO BE SOLVED: To provide a noise resistant microphone for use in close-talking.SOLUTION: The narrow directivity microphone 1 includes: a hollow microphone arm 2; an opening 21, provided at a tip of the microphone arm 2; and a single directive microphone unit 31, disposed on the opposite side of the opening 21 of the microphone arm 2. The microphone arm 2 is made of a porous material through which a sound wave transmits.SELECTED DRAWING: Figure 1 |
