Patent ID: 7895617
Filing Date: 2011-02-22
Classification: G11B

Abstract:
1. A method providing alternate digital audio and video content in a segment of content containing compressed primary audio and encoded primary video, comprising: inserting blank audio in an alternate audio track between segments of alternate audio; inserting black video in an alternate video track between segments of alternate video; synchronizing the alternate audio track to a master timeline; synchronizing the alternate video track to the master timeline; compressing the alternate audio track; encoding the alternate video track; trimming the blank audio from the compressed alternate audio track; trimming the black video from the encoded alternate video track; synchronizing the trimmed compressed alternate audio to locate the trimmed compressed alternate audio temporally with the primary compressed audio; synchronizing the trimmed encoded alternate video to locate the trimmed encoded alternate video temporally with the primary encoded video; and multiplexing the trimmed compressed alternate audio and the trimmed encoded alternate video with the primary compressed audio and the primary encoded video.