Audio recordings 1 Clean speech 1 Data mining 1 Data visualization 1 Extraction 1 Face images 1 Gesture 1 Human communications 1 Lip 1 Lips 1 Multi-modal 1 Speaker extraction 1 Speech communication 1 Speech perception 1 Speech processing 1 Speech recognition 1 Target speaker 1 Time domain analysis 1 Time-domain analysis 1 Training 1 Video recording 1 Visualization gesture 1 speaker extraction 1