The dataset used for this work is publicly available at http://parimal.iitr.ac.in/dataset Please cite the paper Pradeep Kumar, Rajkumar Saini, Partha Pratim Roy, Pawan Kumar Sahu, Debi Prosad Dogra: Envisioned speech recognition using EEG sensors. Personal and Ubiquitous Computing 22(1): 185-199 (2018) if you use it for your work.