SRTs plotted as a function of CO for TFS-high and TFS-low conditions. Error bars are plotted at standard error of the mean.
Audiometric thresholds of the test ears of the hearing-impaired subjects. The age of each subject is shown in parentheses.
Mean results of experiment 2 for the normal-hearing subjects. The benefit of adding envelope information (open circles) was calculated as the difference between the SRT for the allvoc condition and the SRT for the − condition for each spectral region. The benefit from adding envelope and TFS information together (filled circles) was calculated as the difference between SRTs for the corresponding − and conditions. Error bars are plotted at standard error of the mean.
As Fig. 3, but for the hearing-impaired subjects.
Individual results of experiment two for the hearing-impaired subjects. Benefit scores were calculated in the same way as for Fig. 3. The bottom-right panels show the mean results for the hearing-impaired and normal-hearing subjects, for comparison. Error bars are plotted at standard error of the mean.
Individual results for the hearing-impaired subjects and mean results for the normal-hearing subjects for experiments 2 and 3. The benefit from adding TFS information to the whole spectrum, as measured in experiment 2, is plotted in the bottom panel, ordered by performance. Scores from experiment 3 are plotted in the top panel, in the same order. Error bars show standard error of the mean.
As Fig. 6, but with the data plotted as a scatter plot, and a regression line fitted to the data for the individual hearing-impaired subjects.
Differences between mean SRTs measured with different pairs of values of CO for TFS-high and TFS-low conditions. Equivalent cut-off frequencies (Hz) are also shown. The LSDs calculated using Fisher’s procedure were 2.3 (TFS-low condition) and 2.1 (TFS-high condition). Differences equal to or above this value are shown in bold.
Mean and SDs of the SRTs for the normal-hearing and hearing-impaired subjects for experiment 2.
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