1. A system for mobile device text entry, comprising: memory storing computer readable instructions configured for executing a plurality of components; and a processor, coupled to the memory and operable to execute the instructions, the plurality of components comprising: a text recognition component that obtains a set of inputs from a text entry component, determines a set of digitized coordinates for the set of inputs, and produces a first set of observations based on a set of possible intended user inputs and the digitized coordinates, wherein the text entry component is a touch screen display; a voice recognition component that obtains audio data from an audio capture component, and produces a second set of observations based on the audio data, wherein the audio capture component obtains the audio data concurrently as the text entry component obtains the set of inputs; and a predictive component that combines the first set of observations and the second set of observations into a concatenated observation sequence, and generates a textual output based on the concatenated observation sequence, wherein the generated textual output includes a first predetermined character that is predicted by the predictive component based on (a) a substitute character received by the text entry component, the substitute character is different from the first predetermined character, and (b) pronunciation of the first predetermined character received by the audio capture component.
1. A system for mobile device text entry, comprising: memory storing computer readable instructions configured for executing a plurality of components; and a processor, coupled to the memory and operable to execute the instructions, the plurality of components comprising: a text recognition component that obtains a set of inputs from a text entry component, determines a set of digitized coordinates for the set of inputs, and produces a first set of observations based on a set of possible intended user inputs and the digitized coordinates, wherein the text entry component is a touch screen display; a voice recognition component that obtains audio data from an audio capture component, and produces a second set of observations based on the audio data, wherein the audio capture component obtains the audio data concurrently as the text entry component obtains the set of inputs; and a predictive component that combines the first set of observations and the second set of observations into a concatenated observation sequence, and generates a textual output based on the concatenated observation sequence, wherein the generated textual output includes a first predetermined character that is predicted by the predictive component based on (a) a substitute character received by the text entry component, the substitute character is different from the first predetermined character, and (b) pronunciation of the first predetermined character received by the audio capture component. 3. The system of claim 1 , wherein the user triggers an input via the text entry component that enables a secondary input mode, wherein the secondary input mode includes speech recognition.