4K (3840x2160) Video Playback on Sony "4K" XBR55X850A? - AVS Forum
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post #1 of 8 Old 11-15-2013, 11:52 AM - Thread Starter
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My new Sony TV does play "Ultra" 4K from Sony's sources fine. My problem is "home grown" videos. It will not play anything from my new Sony 4K Camcorder.

What I have:
Sony XBR55X850A "Ultra" 4K TV
Sony FMP-X1 Media Player
Sony FDR-AX1 4K Camcorder (3840x2160)
Synology NAS server
Sony Vegas Pro 12
Premiere Pro CS6

Available but not yet put in service: External USB 3 HDD

The camcorder outputs files in .MP4 format. The Sony TV sees those files on my Synology, attempts to play but fails with an unable to play message. The TV DOES play other MP4 files which are at lower resolutions.
I can render the 4K raw video files down to 1920x1080 and the TV plays them fine. I also tried re-rendering out the 4K camcorder file to a new MP4 also at 3840x2160, no luck.

I have not yet attached the external HDD to the FMP-X1 because I'm hesitating. I read somewhere that upon initial connect, the FMP-X1 will format the drive itself. Unknown what format, and then whether my PC's will see that HDD. Theory here was perhaps I could copy over the 4K video files to the external HDD, then plug it back in to the FMP-X1. Clunky, as opposed to my network access, though.

Does anyone have any suggestions, or successfully played back a 4K video file from a camcorder in their 4K TV? Ultimately of course, I'd like to be able to edit 4K video and play back the results in the TV.

I thank you in advance for any suggestions!
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post #2 of 8 Old 11-15-2013, 11:33 PM
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You should be able to hook up the camcorder directly through the TV through HDMI to view 2160 60p videos. As for the FMP-X1 device, it has most likely an HDMI 1.4 port. In order to display 2160 60p to the TV, that player would have to be fully 2.0 complaint. Eighter it would cut the frame rate in half or it's probably choosing to not playback the file period. If I were in your shoes, I'd try to record something in 2160 24p and then dump that native file into the player just to see if it'll work. One advice I'd give is to get the PS4 but I don't think 4K is ready just yet. Probably a future firmware update. Hopefully the HDMI port in the PS4 is HDMI 2.0 ready.
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post #3 of 8 Old 11-21-2013, 03:09 PM
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I read that Sony's camcorder can connect to their 4K TV's even before the HDMI 2.0 upgrade. Perhaps it only works on just one of the ports.

Try different HDMI inputs.

If you are trying to use the TV's internal player, the manual only lists support for HD. I have a similar problem. I'm ready to render 4K video from my JVC 4K camcorder and was hoping the new PS4 could play them, but at the moment, it can't play any video files.

David
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post #4 of 8 Old 11-22-2013, 11:07 AM
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As suggested, I'd try dropping the frame rate. 4K @60p is not yet compatible with current 4K displays. You should be able to shoot at 4K @30p and play it directly from the camera to the Sony 4K display.
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post #5 of 8 Old 12-11-2013, 02:16 AM - Thread Starter
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As an update: Sony has confirmed that any USB HDD connected to the FMP-X1 will be formatted to an unspecified format incompatible with PC's. Clearly their intent here is only to provide additional storage for files coming via the FMP-AX1.
I will try 4K resolution at a lower frame rate. I belive the only HDMI port that has a chance of displaying the camcorder's 4K is 2, which the FMP-AX1 is connected to. Incidentally, the 4K sample videos are breathtaking.
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post #6 of 8 Old 12-11-2013, 06:56 AM
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Norrm, have they promised an upgrade to 2.0 on your display? That will make your life easier with 60p.
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post #7 of 8 Old 12-16-2013, 09:46 PM
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I believe the HDMI 2.0 updates should be rolling out shortly if not already. (Not sure if it is a staggered country specific update.)
Check their update page and see.

I am having a serious look at the X65900A and the LG equivalent right now. So I am going to have to live vicariously through your experiences. Keep us posted.
thanks.

Rob
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post #8 of 8 Old 12-26-2013, 01:20 AM - Thread Starter
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Sony "pushed" an upgrade to my TV Monday. So far it will not play 4K video clips created by the FDR-AX1 on a network. It's more important though for us, to try to direct connect the camera, which I have not had time to do yet. Will report and advise soon. I expect to use the same HDMI port that the FM-AX1 is connected through. We'll see.
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