Join Date: Jan 2002
Location: Punta Gorda, FL, USA
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Help clarify exactly what Atmos is adding
Can someone please answer this question for me:
Do discs encoded with Atmos a) simply add height channel information, b) remaster all channels including the 5.1/7.1 tracks, c) add DSP effects, d) all three
I ask this because I have been experimenting with exactly what "added" content is in the height channels by turning off all other speakers. There isn't a whole lot going on except for sporadic effects here and there in most of the movies I have tested (about 12 so far).
There are some sections (Unbroken - beginning part with aircraft scenes is a great example) where there is considerable effects, but for the most part these extra channels don't have much going on.
However, these Atmos movies do sound immersive when played with my 5.1.4 setup. Is this due to DSP processing that Atmos provides? Maybe it's my brain expecting to be surrounded in 3D sound?
Originally I was thinking that atmos added height speaker information only (no matter 2 or 4 speakers), but now I'm wondering if there isn't other processing or decoding happening that is not present in TrueHD or DTS-MA.
Hope someone can clarify exactly what Atmos does in specific terms.
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