sound-level meter

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sound-level meter: References & Edit History

Article Contributors

Primary Contributors

The Editors of Encyclopaedia Britannica

Other Contributors

Dudley Wallis

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	Deleted Web site: The International Institute for Noise control.	Gloria Lotha	Sep 30, 2013
	Add new Web site: Brüel & Kjær - Sound Level Meter.	Grace Young	Aug 31, 2012
	Added information about frequency-weighting systems.	William L. Hosch Dudley Wallis	Jan 28, 2009
	Article revised and updated.	William L. Hosch	Jun 09, 2006
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998