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; interpreting the one or more speech characteristic probabilities to generate a word bias and language syntax bias and using the word bias to weight word tables and the syntax bias to weight syntax tables, based on the one or more speech characteristic probabilities, and determine one or more words by interpreting the plurality of estimated utterances in accordance with at least one of: the weighted word table and the weighted syntax table for one or more of the speech characteristic probabilities.