Comparisons of Auditory, Audiovisual, and Visual Modalities in Feature Domain for Auditory Brain-Computer Interfaces - Choi, Yun-Joo; Kim, Minju; Kim, Jongsu; Heo, Dojin; Kim, Sung-Phil (2021 21st International Conference on Control, Automation and Systems (ICCAS), Control, Automation and Systems (ICCAS), 2021 21st International Conference on, 2021)