Automatic speech recognition Speech recognition 4 Automatic speech recognition system 2 Control strategies 2 Gain control 2 Human computer interaction 2 Maximized original signal transmission 2 Noise figure 2 Original signal 2 Signal transmission 2 Speech communication 2 Speech recognition performance 2 Word error rate 2 automatic speech recognition (ASR) 2 gain control 2 human–computer interaction 2 maximized original signal transmission (MOST) 2 noise figure 2 word error rate (WER) 2 'current 1 Acoustic environment 1 Acoustic noise 1 Audio-visual speech 1 Audiovisual speech activity detection 1 Audiovisual speech processing 1 Computational linguistics 1 Daily lives 1 Deep learning 1 Deep neural networks 1 Dialogue systems 1