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1 results

  • Intelligibility of American English vowels of native and non-native speakers in quiet and speech-shaped noise*

  • CHANG LIU, SU-HYUN JIN
  • Journal:
    Bilingualism: Language and Cognition / Volume 16 / Issue 1 / January 2013
    Published online by Cambridge University Press:
    21 September 2012, pp. 206-218

  • This study examined intelligibility of twelve American English vowels produced by English, Chinese, and Korean native speakers in quiet and speech-shaped noise in which vowels were presented at six sensation levels from 0 dB to 10 dB. The slopes of vowel intelligibility functions and the processing time for listeners to identify vowels were dependent on speakers’ language backgrounds and non-native speakers’ vowel intelligibility in quiet. These results indicated that noise background affected non-native speakers’ vowel intelligibility more greatly than native speakers, possibly due to the acoustic deviations in non-native speech and lack of listeners’ experience to non-native produced speech.