4. A computer-implemented method, comprising: identifying a semantic meaning associated with one or more words in an electronic document being displayed on a display of a computing device, the one or more words being located at a specific location of the electronic document; identifying an audio file associated with the semantic meaning; determining a gaze direction of a user relative to the display; determining an estimated location on the display corresponding to the gaze direction; determining that the estimated location is within a threshold distance from the specific location of the one or more words; and playing the audio file with a volume based at least in part upon the semantic meaning of the one or more words and determining that the estimated location is within the threshold distance from the specific location of the one or more words.
4. A computer-implemented method, comprising: identifying a semantic meaning associated with one or more words in an electronic document being displayed on a display of a computing device, the one or more words being located at a specific location of the electronic document; identifying an audio file associated with the semantic meaning; determining a gaze direction of a user relative to the display; determining an estimated location on the display corresponding to the gaze direction; determining that the estimated location is within a threshold distance from the specific location of the one or more words; and playing the audio file with a volume based at least in part upon the semantic meaning of the one or more words and determining that the estimated location is within the threshold distance from the specific location of the one or more words. 5. The computer-implemented method of claim 4 , further comprising: capturing an image including a representation of one or more eyes of the user using a camera on the computing device; and analyzing the image including the representation of the one or more eyes.