Subtitles matching and retrieval method for Internet video

The present invention is a subtitle match an Internet video retrieval method, comprising the steps of: for the existing text subtitle video file, build an index; obtained according to the underlying audio video sequence wherein the sequence Z divided Sms: Z1Z2Z3Z4Z5 ... Zn and and integration sequence, the sequence T: T1T2T3T4 ... Tn-9; each subtitle corresponding to a sequence segment of the video retrieval subtitle Z, in a video index for each video library, taken to its T sequence, to sequence a: A1A2A3 ... An, the segment Seg T sequence, to sequence B: Bm, calculating the best matching sequence a sequence B1B2B3 ... and B, and calculates the best match of the Euclidean distance, to find the minimum distance obtained video V, as the match video obtained; the resulting video match where each subtitle, anti find the best match to match, to achieve matching subtitles. The present invention is based on the audio index data, provide a mechanism and indexing one kind of subtitle subtitle detection methods for different video formats, efficient and accurate.