Archives of Acoustics, 43, 2, pp. 245–251, 2018
10.24425/122372

The Acoustic Cue of Fear: Investigation of Acoustic Parameters of Speech Containing Fear

Turgut ÖZSEVEN
Gaziosmanpaşa University
Turkey

Speech emotion recognition is an important part of human-machine interaction studies. The acoustic analysis method is used for emotion recognition through speech. An emotion does not cause changes on all acoustic parameters. Rather, the acoustic parameters affected by emotion vary depending on the emotion type. In this context, the emotion-based variability of acoustic parameters is still a current field of study. The purpose of this study is to investigate the acoustic parameters that fear affects and the extent of their influence. For this purpose, various acoustic parameters were obtained from speech records containing fear and neutral emotions. The change according to the emotional states of these parameters was analyzed using statistical methods, and the parameters and the degree of influence that the fear emotion affected were determined. According to the results obtained, the majority of acoustic parameters that fear affects vary according to the used data. However, it has been demonstrated that formant frequencies, mel-frequency cepstral coefficients, and jitter parameters can define the fear emotion independent of the data used.
Keywords: emotion recognition; acoustic analysis; fear; speech processing
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DOI: 10.24425/122372

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