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Improved speech recognition in noise in simulated binaurally combined acoustic and electric stimulationa)
a)Portions of this work were presented at the 150th Meeting of Acoustical Society of America, Providence, RI 2006.
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10.1121/1.2717408
/content/asa/journal/jasa/121/6/10.1121/1.2717408
http://aip.metastore.ingenta.com/content/asa/journal/jasa/121/6/10.1121/1.2717408

Figures

Image of FIG. 1.
FIG. 1.

Percent correct word recognition from six listeners. The closed symbols represent the monaural listening condition (circles: LP-alone; squares: vocode-alone) and the open triangles represent the combined hearing condition. The dashed lines indicate the probability of correct recognition for either the LP-alone, or vocode-alone condition or both. The asterisks indicate significant difference between the vocode-alone and the combined hearing conditions after corrections for the multiple comparisons. The vertical lines indicate the standard errors adjusted using the Loftus and Masson (1994) method.

Image of FIG. 2.
FIG. 2.

Average speech recognition performance from 12 listeners. Both the baseline (left panel: envelope) and experimental condition (right panel: envelope) are presented. Different symbols represent different listening conditions (circles: LP-alone; squares: vocode-alone; triangles: combined hearing). The asterisks indicate significant difference between the vocode-alone and the combined hearing conditions and the vertical lines indicate the adjusted standard errors.

Image of FIG. 3.
FIG. 3.

Average speech recognition for the baseline (left panel) and the AM-FM condition (right panel). Since the LP stimuli alone were presented without a masker, the average data are indicated with a dashed line. Again, the asterisks indicate significant difference between the vocode-alone and the combined hearing conditions and the vertical lines indicate the adjusted standard errors.

Image of FIG. 4.
FIG. 4.

Speech recognition performance for three conditions: baseline (left panel), AM-FM (middle panel), and AM-F0:150 (right panel). Only 5 and SNRs were tested.

Tables

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TABLE I.

Cutoff frequencies of the analysis and resynthesis bands used in a six-band noise-vocoder cochlear implant simulation.

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/content/asa/journal/jasa/121/6/10.1121/1.2717408
2007-06-01
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Improved speech recognition in noise in simulated binaurally combined acoustic and electric stimulationa)
http://aip.metastore.ingenta.com/content/asa/journal/jasa/121/6/10.1121/1.2717408
10.1121/1.2717408
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