This paper describes correlation between the classified subjective evaluation based on Visual Analog Scale (VAS) and the vital signs for the effects of listening to the pleasant sounds and the unpleasant sounds. The vital signs, which are Heart Rate Variability (HRV) and brain waves, are recorded with the 10 healthy subjects when they listen to the pleasant sounds or unpleasant sounds. And in order to investigate the psychological state change, the subjects are required to answer VAS questionnaire about subjects' emotional taste. The relationship between the vital sign data and questionnaire results are discussed.
