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Factors influencing recognition of interrupted speech
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10.1121/1.3483733
/content/asa/journal/jasa/128/4/10.1121/1.3483733
http://aip.metastore.ingenta.com/content/asa/journal/jasa/128/4/10.1121/1.3483733

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of the 13 stimulus conditions. The -axis is the relative envelope amplitude and the -axis is time in 100 ms scale, with a total duration of 512 ms. The 13 stimulus conditions are labeled on the left and the three total speech proportions are labeled on the right. The two vertical dashed lines correspond to the “anchor points” around which the first and last on-duration of the speech waveform was centered, respectively, for all stimulus conditions except 2g64c and 2g64v (stimulus conditions were labeled in “interruption rate-g-on duration” format).

Image of FIG. 2.
FIG. 2.

The effect of three interruption parameters on recognition of interrupted words. Scores (in RAU) are plotted as a function of on-duration (ms) with proportion of speech as the parameter for the male talker group at 65 dB SPL. The numbers used as symbols represent the number of on-durations per stimulus. The top and bottom panels present results for easy words and hard words, respectively.

Image of FIG. 3.
FIG. 3.

Same as Fig. 2, but for the male talker at 85 dB SPL.

Image of FIG. 4.
FIG. 4.

Same as Fig. 2, but for the female talker at 65 dB SPL.

Image of FIG. 5.
FIG. 5.

Effect of talker gender on recognition of interrupted words at 65 dB SPL. Scores (in RAU) were plotted for 13 stimulus conditions, with talker gender and lexical difficulty as parameters. Conditions were roughly arranged in ascending order of performance from left to right, grouped according to the proportion of speech presented (indicated by vertical dashed lines and text labels at the top). The filled and open symbols represent easy and hard words, respectively. Square and triangle symbols represent male and female talkers, respectively.

Image of FIG. 6.
FIG. 6.

Effect of presentation level on recognition of interrupted words for the male talker. Scores (in RAU) were plotted for 13 stimulus conditions, with presentation level and lexical difficulty as parameters. Conditions were roughly arranged in ascending order of performance from left to right, grouped according to the proportion of speech presented (indicated by vertical dashed lines and text labels at the top). The filled and open symbols represent easy and hard words, respectively. Circle and down triangle symbols represent 65 dB SPL and 85 dB SPL, respectively.

Image of FIG. 7.
FIG. 7.

Scatter plots of word recognition scores for three proportions. The top, middle and bottom panels represent relationships among word recognition scores between 0.25 and 0.5, 0.25 and 0.75, 0.5 and 0.75 proportions, respectively. The “Male65dB” (words recorded by the male talker and presented at 65 dB SPL) group is labeled as filled circles, “Male85dB” (words recorded by the male talker and presented at 85 dB SPL) group is labeled as unfilled circles, and “Female65dB” is labeled as filled triangles. Correlations between average scores for each proportion for each of the three subject groups are shown in the parentheses within the figure legends. Asterisks indicate statistically significant correlations at .

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/content/asa/journal/jasa/128/4/10.1121/1.3483733
2010-10-18
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Factors influencing recognition of interrupted speech
http://aip.metastore.ingenta.com/content/asa/journal/jasa/128/4/10.1121/1.3483733
10.1121/1.3483733
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