Automatic Emotion Prediction of Song Excerpts: Index Construction, Algorithm Design, and Empirical Comparison

Music's allure lies in its power to stir the emotions. But the relation between the physical properties of an acoustic signal and its emotional impact remains an open area of research. This paper reports the results and possible implications of a pilot study and survey used to construct an emotion index for subjective ratings of music. The dimensions of pleasure and arousal exhibit high reliability. Eighty-five participants' ratings of 100 song...