Originally Posted by wxman
The movies that I own on disc and also on iTunes have a difference in audio level. Both devices connected the same way. ATV and 203 directly to tv, and optical from tv to AVR. I have to crank up the audio for the iTunes version on the ATV.
If you are using optical for your audio, then you are only sending DD 5.1 to your AVR, right now you're making the TV convert the audio, so, try setting the ATV for DD 5.1 output, Settings>Video and Audio>Surround Sound> set to Dolby Digital 5.1, see if you get different results.
Originally Posted by thomasfxlt
In 50 words or less... Apple needs to make this device family friendly and they need to take it from a hobby to a full-scale business. UV compatibility, YouTube, Amazon, auto sync video & ATMOS. JMO.
UV isn't going to happen, but, you can use at least one ATV app for UV movies, the VUDU app, maybe another, I'm not sure. At this point you have to redeem on a computer, but, once you get them in your VUDU library you can access them on your ATV VUDU app. Google is responsible for the crappy iteration of YouTube on ATV, and they can make their VP9 videos work on ATV if they want to, give Google feedback for that. (YT will play up to 1440p). Amazon app coming sometime between today and Dec 31st. Give apple feedback on auto sync video and Atmos: https://www.apple.com/feedback/appletv.html
Originally Posted by jwort93
There are unfortunately no 24Hz 1080p modes. The only 24Hz modes are 4K SDR 24Hz, 4K HDR 24Hz, and 4K Dolby Vision 24Hz. So if you want 1080p content to play in 24Hz, you will unfortunately have to stick with the upscaling that the Apple TV provides. Everything else you have said is correct though.
I've seen screen shots of 1080p 24Hz as a choice, so, it depends on what the ATV 4K is connected to.
Originally Posted by avproeng
Anyone know whether the HDMI output is the standard 18 Gbps or is it capped lower?
Originally Posted by liquix
I have seen talks of making sure a proper HDMI cable is used. I am currently going from an ATV3, Non 4K Receiver, and non 4K TV, to an ATV 4K, 4K Pass through receiver, and 4K TV.
Would I need updated HDMI cables from the ATV to Receiver and Receiver to TV? What is a recommended cable to get to ensure all 4K HDR capabilities work?
I doubt it's capped off below 18Gb, as Apple is sending 60Hz DV video out and sending an LPCM audio with it.
(From OWC): “Apple's doc recommends cables with a "Dolby Vision mark" (tested with 4K Apple TV they say). Their example 2M Belkin Ultra High Speed cable
is $29.95 at Apple's store and the specs list "up to 48 Gbps" - that's the (future) HDMI 2.1
spec rate. (The Apple TV 4K's specs show an HDMI 2.0a port - which is up to 18Gbps. I don't know of any retail HDMI 2.1 spec products yet. Hopefully a 4K Apple TV teardown shows what chip they're using.)
I've never seen a 'Dolby Vision' marked (or 48Gbps) HDMI cable (yet), but for current HDMI 2.0x 4K/UHD HDR/DV, a (HDMI 2.0x/18GHz) Certified Premium HDMI cable
(6ft/as short as possible) worked reliably with a 4K/UHD HDR10 60P movie disc - Billy Lynn's Long Halftime Walk. (The only UHD/60P movie disc to date and a good stress test for cables, as other HDR10 and all DV discs to date are 24P.) IMHO Apple should have included a cable. (Some 4K UHD Players do, as it helps minimize returns due to cable related problems.) 6ft Certified Premium HDMI 2.0/18Gbps cables are under $10 retail at some sellers. There's also a free HDMI Premium Cable Authentication App
to verify the code on the box label.)”
see: About 4K, HDR, and Dolby Vision on your Apple TV 4K
So, if you're using a cable that is not certified, then, it'll be hit or miss whether it works or not, (if it's not quality then the cable might not have 18Gb throughput).
Originally Posted by wxman
If I set the ATV to DV and watch a HDR labelled movie on my E6, which can do DV, the highlights are blown out with very little detail in the brightest parts of the scenes. When I set the ATV to HDR, just the opposite. Image looks a lot better. It should not be that way, as with my LG, DV discs on my OPPO 203 look better than the HDR 10 version when played on my Panny 900. DV HDR should prevent the clipping on my E6 which it does on disc, and via the netflix and vudu apps on the tv.
When I watch DV labelled movies on ATV, they dont look as bad, but still have more clipping than the same DV versions on VUDU.
The 2016 LG OLEDS cannot do DV at 60Hz, so, if you want to use DV you'll have to manually set your ATV for 30Hz DV or 24Hz DV. The reason it looks better w/HDR setting is your TV does HDR10 at 60Hz. (I'm making assumptions, sorry).
What apple says about it:
"*If your TV doesn’t support HDR10 or Dolby Vision at 60Hz (50Hz in Europe), Apple TV 4K can use these formats at 30Hz (25Hz in Europe), but you'll need to manually select a lower refresh rate in Settings > Video and Audio. Using lower refresh rates can result in poor performance, or choppy video when navigating on the home screen, within apps, or playing games. In these cases, Apple recommends lowering resolution to 1080p at 60Hz (50Hz in Europe) instead, and letting your television upscale to 4K. You will still be able to use HDR10 and Dolby Vision at these resolutions." source: “Find and watch movies with 4K, HDR, or Dolby Vision” https://support.apple.com/en-us/HT207949
Originally Posted by jacektv
HDR doesn't work with my 65EF9500 OLED. Anybody else on LG OLEDs?
I don't think that LG OLED has HDR capability. If it does not say compatible with HDR10 or DolbyVision anywhere then it is not.