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iSayuSay

macrumors 68040
Original poster
Feb 6, 2011
3,785
904
Hello guys, a quick question here...

Is there anyway to check what’s the original resolution of ATV+ stream? At my home office I am using an Apple TV 4K plugged into an 1080p plasma TV.

Quite an interesting read, right here..
https://www.macrumors.com/2019/11/04/apple-tv-highest-4k-streaming-quality/

My connection here is a mediocre 30Mbps (barely surpass the average bitrate mentioned in said article), and I get a horrible start every time I try to watch any TV+ episode. Spinning wheel takes a while and it always start with blurry SD stream for the first 2-3 minutes until it settles down and I’m starting to get HD pictures.

I am assuming the average bitrate in the article is for streaming at 4K, right? Then an 1080p stream should be around 15 or maybe 20Mbps top, I assume, which my connection should be able to handle? Remember I only use a FullHD TV, with the 4K ATV outputting at 1080p. Yet my 30Mbps internet seems to have a choke on it, as if it uses all of available bandwidth and struggling to buffer the content.

Does the TV+ with ATV 4K insist a 4K stream and downscale it to my fullHD resolution?
I speedtest my internet just to make sure, it's pretty much 30Mbps downstream with low latency, and no dropouts.

Does anyone share the same experience?

Thank you for your time...
 

HDFan

Contributor
Jun 30, 2007
6,294
2,639
If you install the Xcode Developer Playback HUD on your Apple TV you can see things like the video and play back specifications and bitrate numbers (bandwidth available, average video/audio bitrates).

Apple XCode Developer Playback HUD.png
 

sid2209

macrumors newbie
Apr 10, 2020
4
2
Hi HDFan, Could you help me with activating this on my apple tv. Sent you a DM just now. Thanks
 

sid2209

macrumors newbie
Apr 10, 2020
4
2
To enable HUD on the ATV, you need to connect a Mac to the ATV via Bluetooth, install Xcode on the Mac.

That was exactly how I was doing it, connect mac to apple tv via xcode and boom there it was but i am not sure why it isn't working any more. May be tvOS 13 or up ? Anyway thanks for you reply. Cheers
 
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Audit13

macrumors 604
Apr 19, 2017
6,780
1,798
Toronto, Ontario, Canada
That was exactly how I was doing it, connect mac to apple tv via xcode and boom there it was but i am not sure why it isn't working any more. May be tvOS 13 or up ? Anyway thanks for you reply. Cheers
Thanks for letting me know about tvOS13. I haven't used it since upgrading. I'll have to try this later.
 

HDFan

Contributor
Jun 30, 2007
6,294
2,639
MacOS, tvOS, and Xcode versions must all be the "same", usually the latest version.

The latest version of Xcode to be used with the latest tvOS requires Catalina. It won't work on Mohave.
 
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sid2209

macrumors newbie
Apr 10, 2020
4
2
MacOS, tvOS, and Xcode versions must all be the "same", usually the latest version.

The latest version of Xcode to be used with the latest tvOS requires Catalina. It won't work on Mohave.
Thanks. I have an old mac and can't upgrade xcode beyond 10.1 which make it impossible to connect it to a apple tv and the developer menu.
 
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