Method for Measurement of Speech Identification

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Abstract
A new method for measuring speech identification behavior is described. Twenty-four closed-message sets representing three levels of approximation to a “real” sentence have been constructed. Each set contains 10 synthetic sentences. Sentence length and informational content are controlled. Message identification under conditions of low-pass filtering and periodic interruption was studied in 30 subjects with normal hearing. Performance varied systematically with relative informational content.