Stereosonic sound

By Arne Sjostedt
Updated April 23 2018 - 10:55pm, first published May 23 2014 - 3:00am

They take their name from the work of scientists Harvey Fletcher and Wilden A. Munson. A topic close to many a musician's heart, looking at the definition, calculation and measurement of loudness, these men created ''equal-loudness curves'' - or graphs plotting frequency, and units of loudness called ''phons''.

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