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The transformation from excitation level to specific loudness with the peak excitation level at threshold as parameter (values are 3.6, 6.3, 14.5, 20.2, and 26.2 dB), as assumed in the 1997 model.
Note. The curve labeled 3.6 applies for all CFs above 500 Hz. The curve labeled 26.2 applies for a CF of 52 Hz.
