Measuring Loudness

Equal-loudness curves are useful for quantifying sound impact on hearing.

Various standards attempt to account for relative loudness perceived by human ear.

Most common of a family of curves is A-weighting:


``Music 175: Loudness'' by Tamara Smyth, Department of Music, University of California, San Diego (UCSD).
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Copyright © 2019-04-11 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>