Gradience in contextual tonal realization processes: An instrumental study of Nanjing Chinese
نویسندگان
چکیده
This acoustic study has investigated contextual tonal variations in 125 disyllabic words produced by six native speakers of Nanjing Chinese, with five phonemic tones. Three types of tonal variation were observed in the data: neutralizing sandhi, nonneutralizing sandhi and tonal coarticulation. Comparison between the three types of tonal variation suggests that tone sandhi may be rooted in phonetic coarticulation and influenced by the perception-production interaction. Non-neutralizing sandhi processes demonstrate a transition stage from tonal coarticulation to category-changing and neutralizing tone sandhi. The contextual tonal realization in Nanjing Chinese exhibits a gradient effect in terms of tonal category change, indicating a blurry boundary between phonetic and phonological processes.
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