Acoustic correlates of neutral versus angry affect in real and non-word sentences
Keywords:Natural frequencies, Acoustic correlates, Acoustic energy, Acoustic parameters, Affective state, Fundamental frequencies, Sound pressure level, University of Toronto
AbstractA study was conducted to identify changes in three acoustic parameters when participants adopted a hot angry affective state. It investigated changes in fundamental frequency, amplitude, and nasalance in two sentence types. These two sentence types included a real oral sentence and a non-word balanced sentence. It was assumed that mean fundamental frequency (f0) and sound pressure level (SPL) were to increase in sentences spoken with a hot angry affect. Nasalance was expected to decrease with a hot angry affect. It was assumed that synergistic recruitment of velopharyngeal muscles was to result in a tighter velopharyngeal port closure and less transmission of acoustic energy through the nasal passage. The study recruited 10 speakers from the University of Toronto, Canada to conduct the investigations.
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