Communication Dans Un Congrès Année : 2025

Corpus-Based Insights into Mandarin Neutral Tone: Effects of Tonal Context and Structural Patterns in Spontaneous Speech

Résumé

This study examines the realization of Mandarin neutral tone (NT) in spontaneous conversational speech. Drawing on 8,550 phrase-medial NT tokens surrounded by citation tones, we investigate whether robust coarticulatory influences from adjacent tones persist in natural discourse and compare two subtypes of NT-one with a nasal offset and one without-thereby testing the combined effects of syllable structure and grammatical function. Our analysis confirms that adjacent tones exert a dominant influence on NT realization: ultrashort NT syllables largely continue the preceding tone's contour, while normalto long-duration syllables exhibit clearer transitions toward the subsequent tone. NT with a nasal offset maintains a higher pitch and greater F0 dynamics while remaining stable across durations, likely link to its stronger prosodic and grammatical cues. These findings highlight the interplay of tonal coarticulation, duration, and structural patterns in shaping NT variation.

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hal-05093006 , version 1 (02-06-2025)

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Jingyi Sun, Nicolas Audibert, Yaru Wu, Martine Adda-Decker. Corpus-Based Insights into Mandarin Neutral Tone: Effects of Tonal Context and Structural Patterns in Spontaneous Speech. 26th edition of the Interspeech Conference: Fair and Inclusive Speech Science and Technology (Interspeech 2025), International Speech Communication Association (ISCA), Aug 2025, Rotterdam, Netherlands. pp.4178-4182, ⟨10.21437/Interspeech.2025-960⟩. ⟨hal-05093006⟩
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