Demuxing True-HD sound to convert to ac3

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Demuxing True-HD sound to convert to ac3

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out_sider

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5. October 2009 @ 08:06

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I'm trying to demux the sound from a m2ts file (kung fu panda). When I load it in tsMuxer it shows that the main file's track sound is ac3 core + true-hd. I tried to demuxing the file so I can then convert it to standard ac3 using ac3to. The problem is when I try to do this the output file that tsMuxer gives me is only ac3 and it's not proper, it seems that chunks of audio are missing, not that the audio cuts off but that some sounds aren't there....like the panda falling down the stairs, and it gets out of sync.
Here it is the screenshot of what I'm doing.

As you can see I loaded the m2ts file, unchecked all the tracks except the ac3 core+ True HD and then I press demux.
Am I doing anything wrong? Should I use other software?
When I try to dowmix the audio track to ac3 directly using tsMuxer it give's me an overflow error.

Note: My OS is windos 7 x64.

Thanks in advance

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