Analysis of English Nonsense Syllable Recognition in Noise

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Abstract
English nonsense consonant-vowel-consonant syllables were presented at four different signal-to-noise ratios for recognition. Information theory methods are used to analyze the response data according to segment type and phonological feature, and are consistent with previous studies showing that the consonantal contrast of voicing is more robust than place of articulation, word-initial consonants are more robust than word-final consonants, and that vowel height is more robust than vowel backing. Asymmetrical confusions are also analyzed, indicating a bias toward front vowels over back vowels. The results are interpreted as parts of phonetic explanations for synchronic and diachronic phonological patterns.

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