17. The non-transitory machine-readable storage device of claim 15 , wherein the phoneme model is further configured according to a native speech associated with the class of the speaker.
15. A non-transitory machine-readable storage device, comprising executable instructions that, when executed by a processor, cause the processor to perform operations, comprising: identifying a phoneme model, wherein the phoneme model is configured according to a target dialect; and replacing a first phoneme in the phoneme model with a second phoneme, wherein the second phoneme obtained according to a sum of plausible phonemes in a lattice of plausible phonemes associated with a class of a speaker.