Lexical propensity and Taiwanese min tone Sandhi rules

Ho Hsien Pan, Hsiao Tung Huang

Research output: Contribution to journalConference articlepeer-review

Abstract

Following chain shift cyclic Taiwanese Min tone sandhi rules, 55, 13® 33®31®51®55 and 5®3®5, sandhi tones surface at the non-final syllables of tone sandhi groups, whereas canonical base tones surface at the final syllables of tone sandhi groups. Pan (2019) investigated the sandhi and base tone (S/B) alternations with spontaneous speech corpus, TaiMin (www.taimin.tw), and found that the base tones increased from low-level weak syllable and word boundaries to high-level strong intermediate phrase (ip) and intonation phrase (IP) boundaries. However, there were base tones produced before weak word boundary and sandhi tones before strong ip and IP boundaries. This study explores the effect of lexical propensity on S/B alternations in TaiMin. Results of data-driven decision tree model revealed that 90.75% of /i 55/ “he/she” were in sandhi forms. In the TaiMin corpus, there are 31 morphemes produced with over 95% sandhi tones and three morphemes produced with over 95% base tones. There is an effect of lexical propensity on the S/B tone alternations. S/B tone alternations are not entirely determined by phonological or morpho-syntactic conditions.

Original languageEnglish
Pages (from-to)518-522
Number of pages5
JournalProceedings of the International Conference on Speech Prosody
Volume2020-May
DOIs
StatePublished - 2020
Event10th International Conference on Speech Prosody 2020 - Tokyo, Japan
Duration: 25 May 202028 May 2020

Keywords

  • Base tones
  • Decision tree
  • Lexical propensity
  • Prosodic boundary
  • Random forest
  • Sandhi tones

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