How common are 7.1 vs 5.1 audio tracks for blu-rays?
So I'm contemplating adding two additional surround speakers to my 5.1 system to make it 7.1 It involves some cost and labor of course, which I think will be worth it if there is a lot of native 7.1 audio for blu-rays out there but I have no idea if that's true or not. When I first started collecting blu-rays back in 2007 there were not many 7.1 blu-rays, most were 5.1 IIRC. I have my own collection to see if 7.1 is available but it takes too long to look at hundreds of individual blu-ray titles. Anyone have a general sense of how common 7.1 audio is for blu-rays these days? Not counting/including Atmos, just traditional 7.1 surround mixes. Any help would be appreciated, thanks.
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