Join Date: Aug 2001
Location: Northern VA(Woodbridge)
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If you are using the ARC for the ATV 4k, then you need to set the ATV 4K to output legacy DD. Otherwise it will be sending pCM audio. And you can only send stereo PCM over the ARC. The best way is to connect the ATV 4K to the HDMI input of the bar. Then you can get the 7.1 PCM audio as well as the Dolby MAT Atmos from it.
I use multiple cascaded 18Gbps HDMI switches to accommodate most of my devices with the one HDMI input on the SB36512-F6. It works great with my ATV 4K, Shield TV, Roku 4K Stick, Fire Tv 4K stick, XB1X, etc. And I have no problems getting Atmos from the soundbar with any of the devices. And the soundbar can also handle up to 7.1, 24bit, 192Khz Dolby True HD content. Which was a pleasant surprise.
57TB unRAID1a--49TB unRAID2--76TB unRAID3
TCL 6 Series--Sony UBP-X800--Philips BDP7502--Onkyo HT-S7800
Last edited by aaronwt; 06-24-2020 at 03:20 PM.