A Silent Speech Decoding System from EEG and EMG with Heterogenous Electrode Configurations. - Masakazu Inoue; Motoshige Sato; Kenichi Tomeoka; Nathania Nah; Eri Hatakeyama; Kai Arulkumaran; Ilya Horiguchi; Shuntaro Sasai (CoRR, 2025)