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Old 30th May 2009, 21:13   #1008  |  Link
Mosu
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Join Date: Sep 2002
Location: Braunschweig, Germany
Posts: 4,278
That is a stupid question. Sorry for saying that. Remuxing from one container to another is ALWAYS a lossy process because no two containers offer the very same set of features.

Muxing to Matroska has never been a lossless process. It was never supposed to be that. The same is true for muxing to MP4 files. Or AVI. Or MPEG PS/TS.

It doesn't involve re-encoding the audio or the video though -- these bitstreams are mostly (!) kept 1:1 intact.
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Last edited by Mosu; 30th May 2009 at 21:17.
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