A PRELIMINARY INVESTIGATION OF VOCALIC REALIZATIONS OF HISPANIC MICRO-WORKERS FROM LATIN AMERICA
Résumé
This paper focuses on socio-phonetic features of micro-workers supporting the data and annotation needs for artificial intelligence, from several Latin American countries. It represents a first attempt to document the linguistic identity of this emerging professional community. We raise the issue of a group of speakers that might not fall under classical sociolinguistic variables as they have the same activity without sharing a common workplace. Instead, they are spread throughout a large geographical area and likely to cover several regional varieties of Spanish. We make use of a corpus of interviews recorded as part of a larger sociological survey and focus on the acoustic properties of vowels as function of sociodemographic variables. We perform principal component analysis and hierarchical clustering to correlate formant values with socio-demographic variables. The preliminary results suggest vocalic realizations and reduction patterns correlate with level of education and social status.
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