11. The system of claim 10 , wherein selection of the corresponding dialect grammar is based on a similarity of the dialect to the corresponding dialect grammar, wherein the similarity is based on phoneme usage in the dialect and the corresponding dialect grammar.
10. A system comprising: a processor; and a computer-readable storage medium having instructions stored which, when executed by the processor, result in the processor performing operations comprising: for each dialect in a plurality of dialects identified within a speech utterance, selecting a corresponding dialect grammar, to yield a plurality of dialect grammars; blending the plurality of dialect grammars, to yield a blended dialect grammar; and recognizing speech utterances using the blended dialect grammar.