心拍変動解析による1/fゆらぎ音楽の生体波及効果の検討 Evaluation for 1/f Fluctuation Music by Spectral Analysis of Heart Rate Variability

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In this study, we examined the effect of the 1/f fluctuation element in sound by analyzing the power spectrum of Heart Rate Variability (HRV) when listening to music. The 1/f fluctuation means the inclination degree of the power spectrum in music. The following four tunes were used in experiment. Sample A dose not contain 1/f fluctuation. Sample C is the reversal play of "Sample A". Sample B contains 1/f fluctuation. Sample D is the reversal play of "Sample B". We measured the HRV of each subject, in the following state. In State 1, the subjects seated with eyes closed under resting condition for 2 minutes without music. In State 2, the subject heard a sample tune for 2 minutes while keeping the condition of "State 1". In State 3, he recovered to condition of "State 1" again for 2 minutes after stopping the sample tune. As a result, The LF/HF values of the reverse-reproduction music were greater than the values of the regular-reproduction music. We confirmed that personal preference (acquired by experience, environment and familiarity) strongly influenced the subject's comfort level more than the 1/f fluctuation element for music.

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  • 可視化情報学会誌. Suppl.  

    可視化情報学会誌. Suppl. 26(2), 69-70, 2006-09-15 

    The Visualization Society of Japan

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