SYSTEMS AND METHODS FOR CHRONOLOGICALLY ORDERING DIGITAL MEDIA AND APPROXIMATING A TIMELINE OF AN EVENT

摘要

Systems and methods synchronize digital audio and/or video tracks recorded at a same event. The systems and methods access input digital audio tracks that are storable in a database, wherein the input digital audio tracks comprise a list of original recorded digital audio tracks from original recorded digital videos that were recorded from multiple digital sources at the same event. The systems and methods extract at least one feature from each digital audio track of the input digital audio tracks, and construct, based on the at least one feature, a peak map for each digital audio track of the input digital audio tracks. The systems and methods detect a match between at least two digital audio tracks by performing a cross-correlation of the peak maps of the digital audio tracks of the input digital audio tracks and/or estimate a delay between at least one pair of digital audio tracks of the input digital audio tracks, wherein the delay comprises a time difference between the at least one pair of digital audio tracks that received a maximum value in the cross-correlation of the peak maps. The systems and method create an output group comprising the at least two digital audio tracks and/or the at least one pair of digital audio tracks

主权项

1. A method for synchronizing digital audio and/or video tracks recorded at a same event, the method comprising:
accessing input digital audio tracks that are storable in a database, wherein the input digital audio tracks comprise a list of original recorded digital audio tracks from original recorded digital videos that were recorded from multiple digital sources at the same event; extracting at least one feature from each digital audio track of the input digital audio tracks, constructing, based on the at least one feature, a peak map for each digital audio track of the input digital audio tracks; performing a cross-correlation of the peak maps of the digital audio tracks of the input digital audio tracks; estimating a delay between at least one pair of digital audio tracks of the input digital audio tracks, wherein the delay comprises a time difference between the at least one pair of digital audio tracks that received a maximum value in the cross-correlation of the peak maps; and creating an output group comprising the at least one pair of digital audio tracks, wherein each digital audio tracks of the output group has an offset inside the output group.