Physical variation related to stress and emotional state: a preliminary study  

Oleh:

Vilkman, Erkki ; Alku, P. ; H. Oksanen ; Laukkanen, A.-M.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Phonetics vol. 24 no. 3 (Jul. 1996), page 313-336.

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/JOP/24 Non-tandon: tidak ada Tandon: 1

Lihat Detail Induk

Isi artikel

The aim of this study was to investigate the physical variations related to stress and the vocal expression of emotional state. One male and two female subjects produced the nonsense utterance "paappa paappa paappa" simulating five emotional states: neutral, surprise, sadness, enthusiasm, and anger. The main stress was on the italicized syllable. Fundamental frequency (fo), sound pressure level (SPL), and intraoral pressure were measured. Glottal flow was estimated from the acoustic signal by means of an inverse filtering method (IAIF). All analyses concentrated on the first syllable and the primary stressed (third) syllable of the utterances. The expressions of emotional states differed from each other both in the fo/SPL results and in the glottal waveforms. The simulation of emotional states also showed across-subject variation. The glottal waveform had expression-related variation independent of fo and SPL.

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