Acoustics 1 Acoustics model 1 Data augmentation 1 Delta functions 1 Extraction 1 Feature extraction 1 Features extraction 1 Generalisation 1 Mixtures 1 Out-of-distribution generalization 1 Population statistics 1 Risk management 1 Risk minimization 1 Risks management 1 Sampling 1 Speech processing 1 Speech recognition 1 Standards 1 Testing 1 Training 1 Vicinal risk minimization 1 Waveform-based model Waveforms 1 data augmentation 1 out-of-distribution generalization 1 vicinal risk minimization 1 waveform-based models 1