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Problems with encoding 6.1 flac to ogg
Yersh
post Nov 15 2010, 22:21
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Hi. I got a problem. When I try to encode a 6.1 audio file form FLAC to Ogg Vorbis, I get wrong channels order. While encoding from 6.1 wav or DTS works ok.
I'm using the latest oggenc2.exe 2.87 (06.11.2010). For the testing purposes I took two 6.1 files from msoptyspl's post (they both play fine on my PC) and encoded them.
The results are here. http://www.sendspace.com/file/g2qqwg
right and center switched in ogg file encoded from flac.
Accidentally I found the same problem encoding from 4.1 flac to vorbis.
How can I fix it?
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Yersh
post Nov 17 2010, 20:10
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Solved. Since I tested allmost all encoding software and nothing can put channels in the right order automatically, you have to open FLAC 6.1 in any sound editor (I tried sf 10).
And change channel order from FL, FR, FC, LF, BC, BL BR to FL, FR, FC, LF, BC, BL BR, than save it as wave. After this it can be encoded perfectly well.
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msoltyspl
post Nov 20 2010, 11:22
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QUOTE (Yersh @ Nov 17 2010, 20:10) *
Solved. Since I tested allmost all encoding software and nothing can put channels in the right order automatically, you have to open FLAC 6.1 in any sound editor (I tried sf 10).
And change channel order from FL, FR, FC, LF, BC, BL BR to FL, FR, FC, LF, BC, BL BR, than save it as wave. After this it can be encoded perfectly well.


As long as the wav file has proper extensible header, it should encode fine (now). Latest john33's oggenc2 (http://www.rarewares.org/ogg-oggenc.php), official oggenc (from svn trunk) as well as ffmpeg set channels properly (the last one has some minor weird other problems though).
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