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Hi you fine people. I have a muxing problem. I downloaded a video from the web which has lossy audio. I used a sound editor to make a new audio stream (source is from a lossless 24bit 96khz recording) which is absolutely in sync with the original audio file which I demuxed. I then remuxed the video and the new audio but the sync is way off. I synced many of concerts and replaced plenty of audio streams but this time the procedure is not working. I am encountering the same problem with two concerts. What could be the issue? It is the first time I try this approach. Usually I use Adobe Encore to make a blu-ray but now the videos are 4k and I decided to go for a file version and not alter the video source.
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