Association between Modulation Spectrum and Speech Intelligibility of Syllable-timed Languages

نویسندگان

  • Guangting Mai
  • Gang Peng
  • William S.-Y. Wang
چکیده

Previous studies showed that both amplitude [1, 6] and phase [4] of the Modulation Spectrum (MS) of speech waveforms play an important role in preserving intelligibility in stress-timed languages like English. In the current study, association between MS and speech intelligibility of spoken sentences in Mandarin and Cantonese which are typical syllable-timed languages [7, 8], is investigated. The manipulation of “local time reversal” on speech waveforms was employed for each sentence. Speech identification accuracies were calculated and MS analysis was implemented. It is found that both amplitude and phase of the MS components at the corresponding syllabic rates of the spoken sentences are contributing to speech identification. We suggest that this work will help us understand more about the relation between speech intelligibility and speech acoustics, especially for syllable-timed languages.

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تاریخ انتشار 2011