sound level

Japanese: sound level(英語表記)soundlevel
sound level

… [Isao Mizoguchi]. …

From [Sound Level Meter]

...An instrument that measures A-weighted sound pressure level. If a flat characteristic is used as the frequency weighting circuit, it can also be used as a general-purpose sound pressure meter. In Japan, precision sound level meters and ordinary sound level meters specified by the JIS standard are mainly used. The basic configuration of a sound level meter is as shown in Figure 1. The microphone used is an omnidirectional pressure type microphone that obtains a voltage proportional to the sound pressure. ...

*Some terminology that mentions "sound level" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…【溝口 勲】。。…

【騒音計】より

…騒音レベルA‐weighted sound pressure levelを測定する計器。周波数補正回路として平たんflat特性を用いると音圧レベルsound pressure levelの測定器ともなるので,汎用の音圧測定器としても利用されている。日本では,JIS規格で定められた精密騒音計ならびに普通騒音計が主として使用されている。騒音計の基本的な構成は図1に示すとおりである。マイクロホンは,音圧に比例した電圧が得られる無指向性の圧力型マイクロホンが使用される。…

※「sound level」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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