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Frequency modulation detection with simultaneous amplitude modulation by cochlear implant users
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10.1121/1.2751258
/content/asa/journal/jasa/122/2/10.1121/1.2751258
http://aip.metastore.ingenta.com/content/asa/journal/jasa/122/2/10.1121/1.2751258

Figures

Image of FIG. 1.
FIG. 1.

Two examples of experimental stimuli. The upper panel shows a stimulus with sinusoidal FM and simultaneous sinusoidal AM ( ; 30% modulation depth), while the lower panel shows a stimulus with upward frequency sweep and simultaneous noise AM ( noise level).

Image of FIG. 2.
FIG. 2.

(Color online) Mean FM detection thresholds (averaged across subjects) relative to the standard frequency (i.e., ), as a function of standard frequency. The upper two panels show for sinusoidal FM (modulation rate fixed at ), while the lower two panels show for upward frequency sweeps. The left two panels show obtained with different amounts of simultaneous SAM, while the right two panels show obtained with different amounts of simultaneous NAM. The error bars represent 1 s.d.

Image of FIG. 3.
FIG. 3.

Mean FM detection thresholds for sinusoidal FM (averaged across subjects) relative to the standard frequency (i.e., ), obtained when the simultaneous SAM (30% modulation depth) was in-phase or random-phase relative to the sinusoidal FM, as a function of standard frequency. The error bars represent 1 s.d.

Tables

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TABLE I.

Relevant information for cochlear implant subjects who participated in the present experiments.

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/content/asa/journal/jasa/122/2/10.1121/1.2751258
2007-05-30
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Frequency modulation detection with simultaneous amplitude modulation by cochlear implant users
http://aip.metastore.ingenta.com/content/asa/journal/jasa/122/2/10.1121/1.2751258
10.1121/1.2751258
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