5. The method of claim 4 , further comprising outputting, from the computer system, a result of the speech recognition, wherein the result comprises the instances of the one or more query words in the audio file, sorted by event confidence level.
4. The method of claim 1 , wherein the speech recognition includes computing one or more event confidence levels, each of the event confidence levels corresponding to a confidence that an anchor segment of the one or more anchor segments contains a particular query word of the one or more query words of the query.