8. The method of claim 1 , wherein the analyzing step comprises the steps of: detecting audio variation of the sports video; analyzing the audio variation of the sports video; and determining the semantic event according to the audio variation.
8. The method of claim 1 , wherein the analyzing step comprises the steps of: detecting audio variation of the sports video; analyzing the audio variation of the sports video; and determining the semantic event according to the audio variation. 9. The method of claim 8 , wherein the step of analyzing the audio variation of the sports video comprises analyzing the audio variation of a sports broadcaster or commentator in the sports video.