Abstract
In this research, for the purpose of proposing comfort automobile acceleration sound, similarity between automobile acceleration sound and musical instrument sound with comfort feeling is evaluated based on subjective and objective evaluation. First, the similarity of spectrogram in the acceleration sound and the musical instrument sound is observed on visual. In particular, the acceleration sound of sports car with a reputation for sound quality is similar to stringed instruments based on SD method. Next, an auditory model is structured for psychological comfort based on subjective evaluation and spectrum analysis. Higher harmonic components contribute for comfort of the acceleration sound.