Deep convolutional neural network based secure wireless voice communication for underground mines. - Prasanjit Dey; Chandan Kumar; Mitrabarun Mitra; Richa Mishra; Swades Kumar Chaulya; Girendra Mohan Prasad; S. K. Mandal; Gautam Banerjee (J. Ambient Intell. Humaniz. Comput., 2021)