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Re: Ping Wayne [message #76267 is a reply to message #76264]

Thu, 11 April 2013 08:38

Wayne Parham
Messages: 18835
Registered: January 2001

Illuminati (33rd Degree)

Yes, that's the Fletcher-Munson curves, sometimes also called equal loudness curves. These are the result of studies made at Bell Labs in the 1930s by Fletcher and Munson. They asked people to judge when pure tones of two different frequencies were the same loudness, and plotted the resulting charts.

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[Message index]

		Ping Wayne By: Mark91845 on Wed, 10 April 2013 20:19
		Re: Ping Wayne By: Wayne Parham on Thu, 11 April 2013 08:38
		Re: Ping Wayne By: Mark91845 on Thu, 11 April 2013 09:09
		Re: Ping Wayne By: Wayne Parham on Thu, 11 April 2013 10:20
		Re: Ping Wayne By: Mark91845 on Thu, 11 April 2013 10:41

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