Speech 6 Speech activity detections Speech communication 6 Speech recognition 6 Speech activity detection 4 Speech processing 4 Active Learning 2 Active learning 2 Adaptation 2 Adaptive calibration 2 Annotation 2 Artificial intelligence 2 Audio samples 2 Baseline systems 2 Bottleneck features 2 Budget control 2 Calibration 2 Channel bottlenecks 2 Channel degradation 2 Channel degradations 2 Computational linguistics 2 Data performance 2 Decision threshold 2 Feature normalization 2 Language recognition 2 Model Adaptation 2 National Institute of Standards and Technology 2 Noise robustness 2 Non-stationary noise 2 Nonstationary noise 2