On my Denon, I always use the Dolby PLIIx mode for Dolby 5.1 movies as most of my DVD's don't have the DTS soundtrack. I think Logic 7 is specific to HK receivers so not sure how that compares. If you have DVD's with the DTS soundtrack you might try both the DTS Neo versus the Logic 7 to see what is best.

Have fun and enjoy.

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