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What about things like Dolby atmos that use 3D noise wave cancellation/amplification technology to effectively do to surround sound what 3D glasses did for the TV

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> do to surround sound what 3D glasses did for the TV reply

So, nothing, at the end of the day?

Perhaps not the best analogy, but the ability to make an explosion happen over your head instead of from the front left and center is a marked improvement

You could just put speakers in your ceiling. But given how people have trouble telling whether sounds are coming from above or below them anyways, I'm not sure it's worth the effort.

doesn't do a thing for music.

Music isn’t the only form of audio

It doesn't do anything for "music that happened to be mastered in 2-4 channels".

It does plenty for music.

Produced, mixed and mastered.

So that's not really plenty of music.

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