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Topic:
Apple TV 4K HDR dimming
This thread has 7 replies. Displaying all posts.
Post 1 made on Wednesday January 17, 2018 at 13:21
andrewinboulder
Senior Member
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1,198
What has been your experience with this?

I was at a clients today with an existing system. New SR7012 Marantz, JVC 790 and Apple TV 4K.

When you switch the Apple TV to 4K HDR the picture dims a lot. I've messed with the projector settings and read a few forums.

Seems to be an issue with 4K Apple TV.

Marantz is set to pass through video.

I set the Marantz to enahanced video mode.

The Apple TV video passes 4k HDR 4:2:2
Post 2 made on Wednesday January 17, 2018 at 13:55
Brentm
Ethereal Home Theater
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4:2:2 is a color extrapolation format at this point (content is 4:2:0).
See if you can force to 4:2:0 for native.
Brent McCall
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Post 3 made on Wednesday January 17, 2018 at 14:00
Ranger Home
Super Member
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Hmm, any HDR I have ever seen or played with has not been usable as it dims so dark. Guess I need to look at figuring out how to force things to 4:2:0? Even my home system Epson 10500, Sony 1000 and integra preamp does this. Obviously i need to learn how to use this. :)
Post 4 made on Wednesday January 17, 2018 at 14:07
vwpower44
Super Member
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I had the same problem with the ATV 4k. Set it to do 4:2:0. The AppleTV 4k has been a thorn in my side since it came out.
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Post 5 made on Thursday January 18, 2018 at 03:11
dunnersfella
Regular Member
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HDR streaming onto a projector is largely terrible, HDR Blu-ray onto a projector requires a very dark room, a very bright projector and a great screen... being watched by a person who appreciates 'accuracy over pictures that pop'.

Now HDR on a TV is a different matter.
TV's can go eye-searingly bright, while projectors simply can't achieve what many people want at this point.
Add an Apple TV into the mix and you have a recipe for a sub-standard result.
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Post 6 made on Thursday January 18, 2018 at 06:24
Don Heany
Advanced Member
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806
Haven’t experienced “dimming”, but did an inexpensive Samsung LED (6000 series or less) that had a noteable loss of red.
OP | Post 7 made on Thursday January 25, 2018 at 22:10
andrewinboulder
Senior Member
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On January 17, 2018 at 14:00, Ranger Home said...
Hmm, any HDR I have ever seen or played with has not been usable as it dims so dark. Guess I need to look at figuring out how to force things to 4:2:0? Even my home system Epson 10500, Sony 1000 and integra preamp does this. Obviously i need to learn how to use this. :)

Any luck with the 4:2:0 setting test?
Post 8 made on Thursday January 25, 2018 at 22:50
Ranger Home
Super Member
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On January 25, 2018 at 22:10, andrewinboulder said...
Any luck with the 4:2:0 setting test?

Nope, not looked at it yet. :(


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