The original paper [1] me tions data augmentation in the training dataset such as background noise addition, so it seems to be part of the initial design. As a

The original paper [1] me tions data augmentation in the training dataset such as background noise addition, so it seems to be part of the initial design. As always with non-stationary noisy signal, any estimator will reach its limit to a certain point. [1] https://monarch.qucosa.de/api/qucosa%3A36986/attachment/ATT-0/ https://monarch.qucosa.de/api/qucosa%3A36986/attachment/ATT-...