@conference{okubo2021impression, title = {Impression evaluation of mixed acoustic signals with different spatial acoustic characteristics}, author = {Okubo, Shota and Horiuchi, Toshiharu}, booktitle = {Audio Engineering Society Convention 151}, month = {Oct}, year = {2021}, url = {https://www.aes.org/e-lib/browse.cfm?elib=21516} }