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Figure 4: FF compensated LA60 sec levels for each of the 41 separate measurements in 1/3 octave bands. The bold line shows the subject with the highest preferred listening level. The dashed line shows the calculated average for all 41 subjects. The thin line shows the subject with the lowest preferred listening level and the dotted line shows the average background noise level.

Figure 4: FF compensated LA60 sec levels for each of the 41 separate measurements in 1/3 octave bands. The bold line shows the subject with the highest preferred listening level. The dashed line shows the calculated average for all 41 subjects. The thin line shows the subject with the lowest preferred listening level and the dotted line shows the average background noise level.