13. The method according to claim 12 , wherein matching the input language structure with a standard language structure comprises: traversing the decision tree to determine the standard silence duration of the first phrase boundary; and wherein the standard silence duration is an average value of a silence duration of a second phrase boundary of the language structure of standard speech.
12. The method according to claim 11 , wherein determining the standard silence duration comprises: matching the input language structure with the language structure of standard speech to determine the standard silence duration.