Dataset Information

Coarticulatory vowel nasalization in American English: Data of individual differences in acoustic realization of vowel nasalization as a function of prosodic prominence and boundary.

ABSTRACT: 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. 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. 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. These measures are taken from the target words in various prosodic prominence and boundary contexts: phonologically focused (PhonFOC) vs. lexically focused (LexFOC) vs. unfocused (NoFOC) conditions; phrase-edge (i.e., phrase-final for CVN and phrase-initial for NVC) vs. phrase-medial conditions. 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. 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).

SUBMITTER: Kim D

PROVIDER: S-EPMC6806609 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Coarticulatory vowel nasalization in American English: Data of individual differences in acoustic realization of vowel nasalization as a function of prosodic prominence and boundary.

Kim Daejin D Kim Sahyang S

Data in brief 20191001

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. 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 ...[more]

PMID: 31660423

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Project description:This article provides individual speakers' acoustic durational data on preboundary (phrase-final) lengthening in Japanese. The data are based on speech recorded from fourteen native speakers of Tokyo Japanese in a laboratory setting. Each speaker produced Japanese disyllabic words with four different moraic structures (CVCV, CVCVN, CVNCV, and CVNCVN, where C stands for a non-nasal onset consonant, V for a vowel, and N for a moraic nasal coda) and two pitch accent patterns (initially-accented and unaccented). The target words were produced in carrier sentences in which they were placed in two different prosodic boundary conditions (Intonational Phrase-final ('IPf') and Intonational Phrase-medial ('IPm')) and two focus contexts (focused and unfocused). The measured raw values of acoustic duration of each segment in different conditions are included in a CSV-formatted file. Another CSV-formatted file is provided with numeric calculations in both absolute and relative terms that exhibit the magnitude of preboundary lengthening across different prominence contexts (focused/unfocused and initially-accented/unaccented). The absolute durational difference was obtained as a numeric increase of preboundary lengthening of each segment produced in phrase-final position versus phrase-medial position (i.e., Δ(IPf-IPm) where 'f' = 'final' and 'm' = 'medial'). The relative durational difference was obtained as a percentage increase of preboundary lengthening in IP-final position versus IP-medial position, which was calculated by the absolute durational difference divided by the duration of the segment in phrase-medial position and then multiplied by 100 (i.e., (Absolute difference/IPm)*100). This article also provides figures that exemplify speaker variation in terms of absolute and relative differences of preboundary lengthening as a function of pitch accent. Some theoretical aspects of the data are discussed in the full-length article entitled "Preboundary lengthening in Japanese: To what extent do lexical pitch accent and moraic structure matter?" [1].

Dataset Information

Coarticulatory vowel nasalization in American English: Data of individual differences in acoustic realization of vowel nasalization as a function of prosodic prominence and boundary.

Publications

Coarticulatory vowel nasalization in American English: Data of individual differences in acoustic realization of vowel nasalization as a function of prosodic prominence and boundary.

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