lapel microphone

Japanese: lapel microphone(英語表記)lapelmicrophone
lapel microphone

...Furthermore, by providing an appropriate acoustic delay path and a leak hole on the back of the diaphragm to reduce the amount of sound waves incident on the back of the diaphragm, the directional characteristics can be changed from directional to unidirectional or omnidirectional (Figure 5).
[Other microphones]
A lapel microphone is a small device that is attached to the speaker's clothing. Most are electret condenser types.

*Some of the terminology that refers to "lapel microphone" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…また,振動板背面に適当な音響遅延路と漏れ穴を設け振動板背面への音波の入射量を減少させることにより,指向特性を両指向性から単一指向性,無指向性へと変化させることもできる(図5)。
[その他のマイクロホン]
 ラペルマイクロホンlapel microphoneは話者の衣服につけて使う小型のもの。エレクトレットコンデンサー型が多い。…

※「lapel microphone」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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