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  • Title: Effects of roving level and spectral range on vowel formant discrimination.
    Author: Liu C.
    Journal: J Acoust Soc Am; 2011 Oct; 130(4):EL264-70. PubMed ID: 21974502.
    Abstract:
    Thresholds of vowel formant discrimination for F1 and F2 of isolated vowels with full and partial vowel spectra were measured for normal-hearing listeners at fixed and roving speech levels. Performance of formant discrimination was significantly better for fixed levels than for roving levels with both full and partial spectra. The effect of vowel spectral range was present only for roving levels, but not for fixed levels. These results, consistent with studies of profile analysis, indicated different perceptual mechanisms for listeners to discriminate vowel formant frequency at fixed and roving levels.
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