14. The system of claim 8 , wherein the replacing comprises replacing at least a portion of phonemes in the acoustic model with other phonemes determined according to other sums of plausible phonemes in other lattices of plausible phonemes.
8. A system comprising: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: identifying an acoustic model configured in a native speech in a target dialect; and replacing a first phoneme in the acoustic model with a second phoneme, wherein the second phoneme is a sum of plausible phonemes in a lattice of plausible phonemes associated with a class of a speaker.