Zhang, S., Do, C., Doddipatla, R., Loweimi, E., Bell, P., & Renals, S. (2021, June). Train Your Classifier First: Cascade Neural Networks Training from Upper Layers to Lower Layers. Presented at ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toronto, ON, Canada