Patent ID: 8369680
Filing Date: 2013-02-05
Classification: H04N

Abstract:
1. A method for providing a video source with a secondary audio source, the method comprising: receiving, via a video receiving device, a broadcast signal from a first source, the broadcast signal including a video component and a first audio component; receiving, via the video receiving device, a second audio component from a second source, the second audio component providing audio corresponding to the video component of the broadcast; synchronizing the second audio component to the video component, wherein synchronizing the second audio component to the video component includes synchronizing a matching a set of words found in both the second audio component and the first audio component; outputting the video component and the second audio component; storing the video component and the second audio component in a data storage unit of the video receiving device; receiving a rewind request to playback a previous portion of the video component; retrieving the video component from the data storage unit starting from a playback point; retrieving the second audio component from the data storage unit starting from the playback point; synchronizing the retrieved video component with the retrieved second audio component at the playback point by matching a set of words found in both the second audio component and the first audio component; and outputting the synchronized video component and the second audio component beginning at the playback point.