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Old 21st February 2010, 16:39   #1439  |  Link
Mosu
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Join Date: Sep 2002
Location: Braunschweig, Germany
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As far as I understand the AC3 core is only present so that decoders that don't support TrueHD can play back _something_ from such a track. TrueHD is a lossless compression format, therefore the AC3 part is redundant if the decoder supports TrueHD.
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