12. The non-transitory computer-readable medium of claim 1 , wherein the WFST is a single finite state transducer composed from a Hidden Markov Model (HMM) topology, a context dependent phonetic model, a lexicon, and a language model.
12. The non-transitory computer-readable medium of claim 1 , wherein the WFST is a single finite state transducer composed from a Hidden Markov Model (HMM) topology, a context dependent phonetic model, a lexicon, and a language model. 13. The non-transitory computer-readable medium of claim 12 , wherein the language model is a unigram language model or a bigram language model.