This paper presents an analysis of Dimasa focus intonation. The acoustic analysis shows that narrow focus sentences undergo a jump in the pitch range irrespective of the underlying tonal value of the morpheme it attaches to. In addition to f0 expansion, the prosodic property of focus in Dimasa was found to have different (tense) phonation in morphologically marked narrow focus sentences when compared to the broad focus context. Thus, the tense phonation property of sentences bearing morphological focus is not only an acoustic property of a higher pitch range but may also be an acoustic cue of discourse-level intonation.
Our study investigates the nature of tonogenesis in Sylheti, which was triggered by the merger of aspirated and unaspirated consonants in the language. We propose that the tonogenetic factors contributed by the four-way laryngeal contrast condition a three-way tonal contrast in Sylheti depending on the voicing and syllabic position of the sound. We take into consideration both monosyllabic and disyllabic sets of words and claim that Sylheti has three lexical level tones: high, mid, and low. We have built linear mixed-effect models of f0 and duration to examine the acoustic correlates of tone contrast in the language. We conclude that Sylheti has a three-way tonal contrast distinctively affecting pitch.
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