2. The method of claim 1 , wherein generating the audio cues comprises calculating a grammar score of the voice-to-text data.
2. The method of claim 1 , wherein generating the audio cues comprises calculating a grammar score of the voice-to-text data. 5. The method of claim 2 , wherein generating the audio cues comprises: mapping words in the voice-to-text data to difficulty ratings in a dictionary; and calculating a grammar depth metric based on the difficulty ratings of the words in the voice-to-text data, wherein the grammar score is based on at least the grammar depth metric.