ArticleJASA express letters2025
The stability of articulatory and acoustic oscillatory signals derived from speecha).
Article in JASA express letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Articulatory underpinnings of periodicities in the speech signal are unclear beyond a general alternation of vocal tract opening and closing. This study evaluates a modulatory articulatory signal that captures instantaneous change in vocal tract posture and its relation with two acoustic oscillatory signals, comparing stabilities to the progression of vowel and stressed vowel onsets. Modulatory signals can be calculated more efficiently than labeling linguistic events. These signals were more stable in periodicity than acoustic vowel onsets and not different from stressed vowel onsets, suggesting that an articulatory modulation function can provide a useful method for indexing foundational periodicities in speech without tedious annotation.
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