Sony is giving people an opportunity of comparing the LCM and TrueHD tracks to see if they sense any differences.
Logically, there should be no difference. But, feeling and emotion are all part of the experience. So, perception is everything.
TrueHD on HD DVD has not compared well with LPCM on BD, so far.
As you say, BD has the bandwidth and capacity to permit these "experiments". In general it has been difficult for HD DVD to even offer TrueHD, let alone some choices.
Gary
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