1. Huang, X., Acero, A., Hon, H.-W.: Spoken Language Processing: A Guide to Theory, Algorithm, and System Development. Prentice Hall PTR, Upper Saddle River (2001)
2. Gales, M., Young, S.: The application of hidden Markov models in speech recognition. Found. Trends Sig. Process. 1(3), 195–304 (2007)
3. Pieraccini, R.: The Voice Mach. MIT Press, Cambridge (2012)
4. Hinton, G., Deng, L., Yu, D., Dahl, G.E., Mohamed, A., Jaitly, N., Senior, A., Vanhoucke, V., Nguyen, P., Sainath, T.N., Kingsbury, B.: Deep neural networks for acoustic modeling in speech recognition: the shared views of four research groups. IEEE Sig. Process. Mag. 29(6), 82–97 (2012)
5. Moore, R.K.: Modelling data entry rates for ASR and alternative input methods. In: INTERSPEECH 2004 ICSLP, Jeju, Korea (2004)