Quoting Brett McCoy <idragosani@xxxxxxxxx>:
Linux video NLEs like kdenlive and openshot all support HD video. Not sure
if they can do 5.1 audio, though, as I think that requires a proprietary
codec (AC3?)
I guess the workaround would be something like this :
* Edit the video in an NLE of ones choice
* Render out a HD version and then a low-res version for importing
into Ardour3
* Edit and sync the sound in Ardour3 and render it out into 6 mono files
* Run a program like multimux
(http://www.boutell.com/lsm/lsmbyid.cgi/002177) with the -f option to
mux the mono files into a multichannel ac3 using ffmpeg (or just mux
them to a wav and use the free-for-personal-and-noncommercial Nero
encoder to convert to ac3).
* Mux the HD version and the ac3 file using mkvmerge
- Peder
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