1. A device comprises: an interface module; and a processing module operably coupled to: receive a digital signal from the interface module; parse the digital signal into a plurality of frames; generate speech characteristic probabilities regarding the plurality of frames; determine a plurality of estimated utterances, wherein an estimated utterance of the plurality of estimated utterances is determined by interpreting one or more representations of the plurality of frames in accordance with one or more of the speech characteristic probabilities; and determine one or more words by interpreting the plurality of estimated utterances in accordance with at least one of the speech characteristics probabilities.