Comparison of acoustic characteristics of headphones and earphones is a major concern during design or product selection. There are several specifications for the acoustic characteristics, such as frequency response, impedance, sensitivity, and so on. They rarely provide hints for a comparison between devices. In this study, we compared headphones and earphones by acoustical measurements to find the acoustical factors that explain the characteristics of headphones and earphones. Impulse response, correlation factors, and psychoacoustic factors were analyzed. The difference among headphones and earphones were represented by magnitude of the interaural cross-correlation function, effective duration of the autocorrelation function, and so on.

Authors: Soeta, Yoshiharu; Ooi, Sho
Affiliation: National Institute of Advanced Industrial Science and Technology (AIST), Osaka, Japan
AES Conference: 2018 AES International Conference on Spatial Reproduction - Aesthetics and Science (July 2018)
Paper Number: EB1-1
Publication Date: July 30, 2018
Session Subject: headphone; earphone; frequency response; spatial impression; impulse response

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