Meridian has always been keen on height channels - didn't they demo something similar at CES?

@Cliff. I know you are really into object-based HT audio, but this thread does seem to bear the hallmarks of the old pre-HD621 Blu-Ray threads... except (in my perhaps hazy judgment) there is less interest.

Roon Developer and ex-moderator of this Forum
I am #25 in the HH1 photo of fame.