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Beyond intensity: Spectral features effectively predict music-induced subjective arousal
Bruno Gingras1, Manuela M Marin, W Tecumseh Fitch
1a Department of Cognitive Biology , University of Vienna , Vienna , Austria.
Quarterly Journal of Experimental Psychology (2006)
|November 13, 2013
Summary
Amplitude normalization in music psychology research is validated. Ratings for original and normalized music excerpts were highly correlated, showing spectral features effectively predict arousal.
Area of Science:
- Music Psychology
- Acoustic Communication
Background:
- Emotions in music are conveyed by acoustic cues, with sound intensity linked to arousal.
- Amplitude normalization is common in music psychology but its effect on emotional ratings is understudied.
Purpose of the Study:
- To compare emotional ratings of original and amplitude-normalized music excerpts.
- To investigate if arousal can be predicted by acoustic cues other than intensity.
Main Methods:
- 84 classical music excerpts were rated for arousal and pleasantness by nonmusicians.
- Excerpts were presented in both original and amplitude-normalized versions.
- Acoustic parameters like spectral flux and entropy were analyzed.
Main Results:
- Ratings for original and normalized excerpts were highly correlated and shared similar ranges.
- Spectral flux and spectral entropy explained 65% of the variance in arousal ratings.
- Amplitude-normalized excerpts were confirmed to be loudness-matched.
Conclusions:
- Amplitude normalization is a valid procedure in music emotion research.
- Spectral features effectively predict arousal, supporting cue-redundancy and Brunswik lens models.
- Acoustic cues beyond intensity are crucial for conveying musical emotions.
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