Patent ID: 7406409
Filing Date: 2008-07-29
Classification: G06F,G11B,H04N

Abstract:
1. A method for summarizing multimedia, comprising: storing a compressed multimedia file partitioned into a sequence of segments; storing a metadata file including index information and an importance level for each segment in the sequence, the importance level being continuous over a closed interval, and the importance level based on an audio signal of the multimedia file; selecting an importance level threshold in the closed interval; summarizing the multimedia file according to the index information, the importance level and the importance level threshold; sliding a window over the multimedia file in a forward direction, the sliding window including a plurality of the segments, and an anchor segment in a fixed relationship with respect to the window while sliding the window; determining the importance level for the sliding window from the importance levels of the segments in the window; and assigning the importance level of the window to the anchor segment in the window while sliding the window.