6. The method of claim 1 , further comprising outputting the media presentation with the captions.
6. The method of claim 1 , further comprising outputting the media presentation with the captions. 7. The method of claim 6 , wherein when the media presentation is a real time media presentation, the method further comprises: delaying the media presentation, to yield a delayed media presentation; buffering captions based on the media presentation and the aligned transcription, to yield buffered captions; and outputting the delayed media presentation and the buffered captions together.