2. The method of claim 1 , wherein the at least one portion of the caption data stream includes at least one metadata annotation and the time synchronized caption data stream includes text, and the method comprises searching at least one of text of the time synchronized caption data stream and the at least one metadata annotation.
3. The method of claim 2 , wherein the event specific language model is based on a statistical representation of caption information provided in the at least one portion of the caption data stream.