@inproceedings{weko_187832_1, author = "挾間,晃彦 and 梅澤,猛 and 大澤,範高", title = "複数話者の同時発話によるモノラル音声CAPTCHAの頑健性評価", booktitle = "第80回全国大会講演論文集", year = "2018", volume = "2018", number = "1", pages = "509--510", month = "mar" }