Patent ID: 7480446

Claim:
A method of synchronizing a set of video data to a set of audio data that is being played at a variable rate comprising the steps of: defining a correspondence between an original set of audio data and an original set of video data such that the original set of audio data and the original set of video data are synchronized at a normal display rate; determining a target display rate that differs from the normal display rate; creating a modified set of audio data that corresponds to the original set of audio data, wherein the modified set of audio data is created based at least in part on the target display rate; establishing a correspondence between the modified set of audio data and the original set of video data; and creating a modified set of video data that corresponds to the original set of video data, based on the modified set of audio data and the correspondence between the modified set of audio data and the original set of video data, such that the modified set of video data is synchronized with the modified set of audio data.