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The effect of hearing loss on the resolution of partials and fundamental frequency discrimination
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10.1121/1.3640852
/content/asa/journal/jasa/130/5/10.1121/1.3640852
http://aip.metastore.ingenta.com/content/asa/journal/jasa/130/5/10.1121/1.3640852

Figures

Image of FIG. 1.
FIG. 1.

Audiograms of the nine hearing-impaired ears tested. Subject HI4 was tested using each ear separately, but only one ear was tested for each of the other subjects. The number in each panel indicates the age of the subject.

Image of FIG. 2.
FIG. 2.

Schematic spectrograms of a single trial of the procedure for measuring the ability to hear out partials.

Image of FIG. 3.
FIG. 3.

The mean scores for each group (filled and open symbols denote normal and impaired hearing, respectively) for the task measuring the ability to hear out partials in complex tones. Scores are plotted as a function of the frequency of the target partial. Each panel shows results for one Cam spacing. Error bars show ±1 standard error.

Image of FIG. 4.
FIG. 4.

Scores averaged across the inner partials for each ear of the hearing-impaired subjects, plotted as a function of Cam spacing. Scores lying above the dashed line are significantly above chance (p < 0.05) based on a binomial test.

Image of FIG. 5.
FIG. 5.

A scatter plot of the value of H(2Cam) versus the F0DL. H(2Cam) is a measure of the ability to hear out partials in a complex tone, and represents the mean score for the inner partials for a spacing of 2 Cam. Numbers represent the individual hearing-impaired subjects, using the same numbers as in Fig. 1. The circle shows the mean for the six normal-hearing subjects.

Image of FIG. 6.
FIG. 6.

A scatter plot of H(2Cam) versus ERB/CF, averaged for center frequencies of 0.5, 1, and 2 kHz. The circle shows the mean for normal-hearing subjects [H(2Cam) values from the present study, ERB/CF values from Hopkins and Moore (2011)].

Image of FIG. 7.
FIG. 7.

A scatter plot of the F0DL versus ERB/CF averaged for center frequencies of 0.5, 1, and 2 kHz. The circle shows the mean for normal-hearing subjects [F0DL values from the present study, ERB/CF values from Hopkins and Moore (2011)].

Tables

Generic image for table
TABLE I.

Frequencies of the partials in the complex tones for each spacing used (the spacing of 1.5 Cam was used only for HI4). The frequency of the middle partial is given in bold type.

Generic image for table
TABLE II.

The mean F0DL for each hearing-impaired ear tested. The last row shows the mean and range of the F0DL for six normal-hearing subjects.

Generic image for table
TABLE III.

Estimates of ERB/CF for each hearing-impaired ear tested and for each center frequency. The root-mean-square deviation of the notched-noise data from the fitted values (in dB) is shown in parentheses (Glasberg and Moore, 1990). The bottom row shows mean ERB/CF values obtained for young subjects with normal hearing by Hopkins and Moore (2011).

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/content/asa/journal/jasa/130/5/10.1121/1.3640852
2011-11-16
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effect of hearing loss on the resolution of partials and fundamental frequency discrimination
http://aip.metastore.ingenta.com/content/asa/journal/jasa/130/5/10.1121/1.3640852
10.1121/1.3640852
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