Howson Phil J, Redford Melissa A
The University of Oregon.
Proc Int Congr Phon Sci. 2019 Aug;2019:378-382.
This study examines the effects of determiner reduction and coarticulation on the perceived naturalness of resynthesized ( sequences. The determiner, equally spaced between monosyllabic and , was manipulated in 3 experiments along a 7-step continuum: (1) duration varied from 0.25x the original duration to 4x this duration; (2) amplitude varied from 55 dB to 85 dB; (3) schwa formants varied from completely overlapped with the vowel in to completely overlapped with the vowel in . Listeners rated sequences with reduced duration and intensity and more anticipatory coarticulation more favourably than sequences with increased duration and intensity and more preservatory coarticulation. These results are consistent with a listener preference for the production of supralexical chunks that adhere to morphosyntactic rather than metrical structure.
本研究考察了限定词缩减和协同发音对重新合成序列感知自然度的影响。限定词在单音节词和之间等距分布,在3个实验中沿着7步连续统进行操控:(1)时长从原始时长的0.25倍变化到4倍;(2)振幅从55分贝变化到85分贝;(3)央元音共振峰从与中的元音完全重叠变化到与中的元音完全重叠。与时长和强度增加且协同发音更具保留性的序列相比,听众对时长和强度缩减且协同发音更具预期性的序列评价更高。这些结果与听众偏好产生遵循形态句法而非韵律结构的超词汇组块相一致。