This an FYI for anyone that may be having ARC issues with the N950. I have the following config: AppleTV 4k into Samsung N950 Soundbar N950 into ARC on a Sony Bravia For the longest time everything worked beautiful. I simply powered on my AppleTV using its remote and the TV and Soundbar would come on. Then for some reason the soundbar quit coming on. I use the Smartthings app for the soundbar and kept checking to make sure the input was set to D. In/Arc which it was but it just wouldnt work. What I eventually discovered is that I had to use the buttons on the N950 to set D. IN/Arc as the input(not the app). Once I did this all is working fine again. Hopefully this helps others avoid hours of frustration.
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