1. Baum, E.B., Wilczek, F., 1988. Supervised learning of probability distributions by neural networks. In: D. Anderson, (Ed.), Neural Information Processing Systems. pp. 52–61
2. Bengio, Y., De Mori, R., Flammia, G., Kompe, R., 1992. Global optmization of a neural network-hidden markov model hybrid. IEEE Trans. Neural Networks 3 (2)
3. HMM-based speech recognition using state-dependent, discriminatively derived transforms on mel-warped DFT features;Chengalvarayan;IEEE Trans. Speech and Audio Process.,1997
4. Euler, S., 1995. Integrated optimization of feature transformation for speech recognition. In: Proceedings European Conf. on Speech Communication and Technology. EUROSPEECH. pp. 109–112
5. Cepstral analysis technique for automatic speaker verification;Furui;IEEE Trans. Acoust. Speech Signal Process. ASSP-,1981