For further discussion of the data, please refer to the full-length article entitled “Prosodically-conditioned fine-tuning of coarticulatory vowel nasalization in English”(Cho et al., 2017). The data also contain a CSV file with each speaker's mean values of the N-Duration, V-Duration, and A1-P0 ( z-scored) for each prosodic context along with the information about the speakers' gender. unfocused (NoFOC) conditions phrase-edge (i.e., phrase-final for CVN and phrase-initial for NVC) vs. formant trajectories, given that adjacent to nasal consonants the Praat formant tracker. These measures are taken from the target words in various prosodic prominence and boundary contexts: phonologically focused (PhonFOC) vs. mid-vowel gliding and nasal decomposition in Argentine Spanish. The A1-P0 is measured at three different time points within the vowel –i.e., the near point (25%), midpoint (50%), and distant point (75%), either from the onset (CVN) or the offset (NVC) of the nasal consonant. Each individual speaker's production patterns for the vowel nasalization in tautosyllabic CVN and NVC words are documented in terms of three acoustic parameters: the duration of nasal consonant (N-Duration), the duration of vowel (V-Duration) and the difference between the amplitude of the first formant (A1) and the first nasal peak (P0) obtained from the vowel (A1-P0) as an indication of the degree of vowel nasalization. This article provides acoustic measurements data for vowel nasalization which are based on speech recorded from fifteen (8 female and 7 male) native speakers of American English in a laboratory setting.
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