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Full-Text Articles in Social and Behavioral Sciences

An Acoustic Phonetic Investigation Of Lexical Stress Encoding In Vietnamese-Accented English, Ettien Koffi, David Mason Apr 2024

An Acoustic Phonetic Investigation Of Lexical Stress Encoding In Vietnamese-Accented English, Ettien Koffi, David Mason

Linguistic Portfolios

A psychoacoustic methodology is used to investigate lexical stress encoding by 15 Vietnamese-Accented English (VAE) speakers. In this framework, Just Noticeable Difference (JND) thresholds in F0/pitch, intensity, and duration are used to investigate the strategy that speakers rely on to produce lexical stress. The key finding for VAE speakers is that they rank the three acoustic correlates as follows: F0 (67.61%) > Intensity (54.28%) > Duration (31.42%). According to Nguyen and Ingram (2005) and Nguyen (2017), this hierarchy mirrors the strategy that Vietnamese speakers rely on to encode tone in their native language. Transferring their native prosodic strategy into English affords them …


Dialect Variation And Lexical Stress: An Idiolectal Inquiry, Ettien Koffi, Megan C. Dell' Acqua Apr 2023

Dialect Variation And Lexical Stress: An Idiolectal Inquiry, Ettien Koffi, Megan C. Dell' Acqua

Linguistic Portfolios

Ever since Fry (1958) ranked the acoustic correlates of lexical stress as F0 > Duration > Intensity, a controversy has ensued. Some replication studies have agreed with Fry’s ranking, but others have not. It is quite possible that the divergent rankings of correlates may have something to do with dialect variation among the participants in various studies. The evidence for this claim comes from an in-depth study of Author 2’s pronunciation of 14 disyllabic words produced in running speech. Her ranking of the acoustic correlates of lexical stress as F0 > Duration > Intensity agrees with Fry but stands in contrast with the ranking …


Infant Cry Annoyance Scale And Indexes, Ettien Koffi Apr 2023

Infant Cry Annoyance Scale And Indexes, Ettien Koffi

Linguistic Portfolios

Noise-induced annoyance methodology is applied to infant cry to gauge which of the three acoustic determinants of cries frequency in Hz, intensity in dBA, and duration in hours, minutes, or milliseconds is/are the most annoying to parents and caregivers. The main finding is that in cries, as in many other annoying noises, intensity in dBA is the most aversive correlate. The path leading to this finding is not linear, but rather a tortuous one because many issues and definitions had to be discussed first. In so doing, the smallest unit of a cry had to be established. This led subsequently …