1. A method comprising: selecting, via a processor, a pair of anchor words in a media presentation based on automatic speech recognition output of the media presentation and a transcription of the media presentation, to yield a selected pair of anchor words, wherein the selected pair of anchor words are separated from one another within the media presentation by a time less than an anchor word time duration requirement; and generating captions by aligning the transcription with the automatic speech recognition output between the selected pair of anchor words.