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Individual and group-average masker thresholds in dB SPL are shown for the spondee recognition task. As in Figure 1, symbols size indicates NLFC on (filled circles) and NLFC off (open circles), both using laboratory hearing aids, and participant number, indicated on the abscissa, reflects the change in audible bandwidth with NLFC in the better ear. The top panel shows results in the speech-shaped noise masker, and the bottom panel shows results in the two-talker speech masker.
