1. Sound level meterSound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise. However, the reading given by a sound level meter does not correlate well to human-perceived loudness; for this a loudness meter is needed.
Read “Sound level meter” on English Wikipedia
Read “騒音計” on Japanese Wikipedia
Read “Sound level meter” on DBpedia
Read “Sound level meter” on English Wikipedia
Read “騒音計” on Japanese Wikipedia
Read “Sound level meter” on DBpedia
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