Effects Of Auditory Masking Upon The Speech Of Stutterers

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Abstract
A group of 15 stutterers read aloud a set of 5 passages under 5 levels of masking noise. The number of errors and duration of passages decreased as the masking level increased from 0 db to 90 db. With the number of words remaining approximately constant, the rate in words per minute increased as the masking level increased. The relatively low masking level of 50 db produced sizable decreases in the severity of stuttering.