抄録
In recent years, the way of sell music has changed CD into digital distribution. Mp3 is the representative of compressed sound source in online music distribution service. Mp3 formatted sound quality is inferior as compared with CD-DA formatted sound quality, because mp3 has less information as compared to pre-compressed data. The objective of this study is by analyzing EEG to determine if people can recognize such difference as differences in sound. In the experiment, one subject (Healthy adult, Male, Age:22 years old) was studied. The results suggest that sound source format differences affected EEG that is come of higher cognitive function than auditory area.
