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- About 100pat
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10-07-2019
10-05-2020
100pat
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10-05-2020
06:06 PM
Yes specked for DolbyVision. I think they put a searchlight outside the window. A few years back they used to go to great lengths to AVOID these effects
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10-05-2020
05:58 PM
I replaced my Samsung with a Sony LED which has lots of Nits. It fixes the problem and is great for daytime TV. Even though I have an AppleTV box which can switch to 4K SDR. I got fed up with switching for AppleTV+ as well as Netflix. It seems fashionable for directors to produce clichéd "atmospheric" dark scenes so this probably adds to to the problem. Samsung's reluctance to support DolbyVision must be down to some EO's ego-trip.
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29-02-2020
06:28 PM
1 Like
But it might prevent the set switching to HDR10 which can result in darkness (while retaining 4k resolution)
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05-12-2019
10:56 PM
You say "I'm saying people are assigning way too much importance to it versus what actually matters in HDR quality" You are playing with words again: How much importance is "too much importance"? It's meaningless except as a way to derogate DV. I.e. a way to suggest that it isn't important at all. "what actually matters" suggests that DV doesnt matter. Your attempt at tech-splaining to us lesser intelligences just consist of giving your opinion which just seems to be an attempt to support Samsung's choice. The title of the thread is "Samsung, you have to introduce dolby vision" It's difficult to see why you would choose to oppose that request? If you watch DV streams why would you buy a set that doesnt support DV?
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05-12-2019
04:59 PM
1 Like
You have a lot of generalisations in your post which skew your arguments in apologising for Samsung. If you have a high end set with no Dolby Vision then you will not correctly see scenes in DV streaming content where the film maker has adjusted their settings on a scene by scene basis. If you have a budget set, then any form of enhanced HDR will help compensate for your lack of Nits (light output) when compared to HDR10. But how many streaming titles are available in Samsung’s HDR10+ as compared to those in Dolby Vision. I suspect that many (e.g. Netflix, Apple+, Disney+) content producers and manufacturers wish to future proof their products by catering for next year’s 10 and 12 bit screens. The fact that they are willing to pay cash to Dolby for the use of DV speaks volumes. Or, are these billion-dollar companies as stupid as you seem think contributors in this thread are? Why would anyone wanting to watch titles in DV buy a non-DV set? However much you argue, it’s simply illogical. “I want to watch DV streams so I’ll buy a non-DV set” ?
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09-11-2019
04:09 PM
If it's any help: https://www.displayspecifications.com shows the brightness of many models in Candelas (Nits) and I'm thinking that to avoid "darkness issues" having a lot of Nits might be a good thing?
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06-11-2019
02:47 PM
1 Like
randy-312 You have to be careful about reviews. How many have you read about Samsung TVs that mention their weakness with DolbyVision content - it's like the elephant in the room. Mostly it doesn't pay reviewers to highlight important negative attributes so they just eulogise and pick some minor defect to criticise so as to appear "balanced"
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06-11-2019
05:31 AM
1 Like
Mine works OK but in the past I have found that the TV learns what to do CEC-wise and memorises it. Any change may make it start anew. I have found that unplugging all power leads, pausing, then reconnecting leaving the TV to last with pauses between each reconnection works best. Sometimes I have repeated it several times! And then keep turning the ATV box on and off. Swearing may or may not help. And even less helpful is my memory - TV first or last? Curses! My sympathies as it really is a pain - but it always works in the end. Maybe that's down to the swearing?
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30-10-2019
02:27 PM
1 Like
I had this pointed out to me - it’s a bit irrelevant to this discussion but I’ll mention it for completeness: There is another flavour of HDR called HLG - Hybrid Log Gamma. The BBC seems to use it as it will display well on old SDR-only TV sets as well as on HDR-enabled ones. HLG HDR shouldn’t cause problems with Samsung TVs.
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30-10-2019
02:02 PM
Netflix and Apple TV+ will usually stream their HDR content to your TV set in DolbyVision format. At present, most Samsung TVs don’t support DolbyVision. Amazon and the BBC use HDR formats which Samsung does support. The lack of quality you see on DolbyVision videos will vary from video to video.
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30-10-2019
01:23 PM
1 Like
Thanks espenT I had foolishly thought that HLG was a minor format only supported by LG television sets and ignored it I now see that it's Hybrid Log Gamma HDR and quite significant as it's used by the BBC to provide a format which will display optimally on most brand s of both SDR-only and HDR enabled television. Thanks for putting me right!
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30-10-2019
12:56 PM
1 Like
Thanks, chopples123. I had completed forgotten that there *was* an actual HDR+ setting which seemed to try to emulate HDR. Sorry for going off topic.
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30-10-2019
03:45 AM
1 Like
HDR increases the number of shades of colour possible. So, it reduces banding (stripes) in shading giving a more smoothly graduated effect. Among other things. There’s three main flavours of HDR: HDR10 the vanilla version HDR10+ which is Samsung’s enhanced version (favoured by Amazon Video) HDR Dolby Vision which is the competing enhanced version (favoured by Netflix and Apple TV+) It’s getting a bit like the Betamax vs VHS video-tape wars. (If you remember video-tape!)
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30-10-2019
03:26 AM
I found for a different sound bar that it would pass, via ARC, a Chroma 4:2:0 signal but not a 4:4:4 one. Presumably a bandwidth issue. I resorted to using optical sound rather than HDMI. It wasn’t easy to figure out so you have my sympathy. Sorry if that’s not much help!
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30-10-2019
03:16 AM
Netflix uses Dolby Vision for it’s HDR content. Most Samsung TVs don’t work well with Dolby Vision so there seems to be nothing you can do if that’s the problem. (Besides watching in SDR if you can. ) Amazon stuff in HDR10+ should be OK.
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30-10-2019
03:03 AM
1 Like
Apple TV+ starts on Friday. But it's choice of HDR format won't exactly have Samsung-afflicted viewers jumping for joy. (Note that if you have an Apple TV box you can set it to 4K SDR and enable Match Range to watch stuff in HDR10 and HDR10+ and then turn off Match Range for stuff in Dolby Vision and watch that in SDR. Rather tedious!)
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27-10-2019
03:33 PM
Things only seem to get worse for disgruntled Samsung owners. The Apple TV+ streaming channel opening on Nov 1st will use Dolby Vision HDR. As, by chance, I am eligible for a year's free subscription I was hoping they would use HDR10+ instead. Rather naive of me to expect Apple to support the Samsung standard as they seem to spend a lot of time suing each other!
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23-10-2019
10:20 PM
2 Likes
Kellyw If your problem is due to Dolby Vision, the only not very helpful answer I have is to send back the firestick and buy an AppleTV 4K instead. It probably costs 3 times as much but I think that at present you get 12 months of the Apple TV+ channel for free which is worth £60. This allows you to manually switch off HDR when a Dolby Vision video renders badly. (But retains 4K resolution) You may be able to do similar with a firestick but I have no experience of one. This is IMHO. Netflix or Samsung might bring out a fix tomorrow- or never
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22-10-2019
04:20 AM
1 Like
ikramkhasim. Yes, I noticed that Raising Dion looked the same with and without HDR (both 4K) even though it claims to be in Dolby Vision. Which is unusual. So, either they are wrong or they have somehow tweaked the Dolby Vision so that it doesn’t give Samsungs indigestion Confusing!
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22-10-2019
01:50 AM
UFC-FAN does the problem occur with e.g. Amazon and Youtube or just with Netflix?
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10-10-2019
05:50 PM
1 Like
I made a feature request to Samsung asking if they could provide a way to switch their telly to 4K SDR when viewing Dolby Vision content. This is their reply. I don’t understand it but I think it is a way of saying “No!” .... “please be advised that there's no settings from the TV that we can disable to affect the resolution of the programs from the applications such as Netflix. If you wish to downgrade the content's resolution you need to change this from the application itself, as well as enabling and disabling the HDR effect.” .... Resolution?! Note that I use an AppleTV box which I can manually switch down to SDR for Netflix Dolby Vision content. Thus, losing the darkness but also the HDR benefits.
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10-10-2019
08:08 AM
@ikramkhasim wrote: Titles that use HDR10 like 'Star Trek: Discovery' and 'Rotten' all produce great pictures as how HDR is intended to be. --------------------------- The Netflix site seems to say that those are both Dolby Vision
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10-10-2019
05:47 AM
There's: #HDR Dolby vision #HDR 10+ #HDR 10 which is the basic HDR of which the above two are enhancements. Working out which you are getting is pretty hard but for me it seems that, if you look in the tellys gamma setting in Expert Settings while watching a video, HD and Non-HDR-UHD show BT1886 while HDR shows ST2084. I don't see how to tell if you are getting HDR10 or HDR10+. I believe the NowTV boxes don't do Dolby Vision or HDR 10+ so maybe NowTV outputs its streams as vanilla HDR10? I also note that on Prime you can stream the same title (e.g. Goliath) as HD or UHD-HDR depending on where you access it from in the listings. Confusing. There is a list of Netflix content that has HDR here: https://hd-report.com/list-of-4k-ultra-hd-movies-tv-shows-on-netflix/
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08-10-2019
01:37 PM
2 Likes
Since I made my origional post it has been pointed out that it appears to be impossible to switch a modern Samsung TV to use SDR when viewing Netflix HDR content formatted in Dolby Vision when using the Samsung built-in Netflix smart app. So there is no way to prevent the resulting poor picture quality. I have edited my original post at the start of this thread. My apologies if I have misled you. It's bad enough that Samsung don't support Dolby Vision HDR. It's worse still that we can't even downgrade to SDR to stop Netflix sending us Dolby Vision. It's a bit like paying for the privilege of hitting yourself on the head with a hammer!
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08-10-2019
12:06 PM
1 Like
@ikramkhasim wrote: I am unable to turn off HDR using that setting because the Netflix app on the TV is not an "external device" and also there are only options to turn on or off with HDMI inputs. Unless there's something else I'm missing. TV is NU7100. ikramkhasim: You are correct. I apologise. Maybe (?) it was possible to turn off HDR in the Netflix smart app on my old Samsung using the HDR+ setting in Expert Settings (EDIT: NO, I'M WRONG AGAIN!) but nowadays the only Setting to control HDR seems to be Input Signal+ which, as you point out, only seems to affect content input from an HDMI connection and not that from the telly's smart Netflix app . It would seem that the only way to turn HDR off for Netflix is to watch via an AppleTV or Firestick or similar (or perhaps a smart DVD player) I had a quick Google but although I found similar questions I found no solutions. I am sorry to have wasted people's time and will try to edit my original post in a way that doesn't add further confusion.
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08-10-2019
05:10 AM
The Tall Grass is outputted by Netflix in the Dolby Vision format of HDR. Most Samsung tellys are incompatible with this format. If using the telly's smart Netflix app, turn off HDR. If using an AppleTV, set the AppleTV to SDR. Remember to reset after watching. See first post in this thread for more info.
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17-08-2019
09:28 PM
1 Like
Thanks for taking the time to reply, James, but I was really asking if anyone knew the difference between the two available options, Gain and Offset i.e. the different meanings of “High” and “Low” level intensity in the context of the White Balance settings on my EU55RU7400 telly. Kind regards, Pat.
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16-08-2019
08:39 PM
Can anyone explain to me the different intent of the High Level (Gain) and Low Level (Offset) settings in White Balance? Bright and dark screen areas? Coarse and fine graduation of the settings? Contrast and Brightness? I know that Samsung say “suck it and see” but it would be nice to know which ballpark I am taking aim at
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10-07-2019
10:26 PM
3 Likes
Sadly, the answer is to switch your device to SDR. You can sit in a pitch black room and mess with settings all you want - that won’t fix it. This means that you have to notice, or know, that the video you want to watch will be streamed in Dolby Vision HDR and change a setting every time (then change it back - what a pain!) to accommodate this. a) *EDIT* THE INFORMATION IN a) BELOW IS WRONG. I HAVE LEFT IT IN PLACE SO AS NOT TO CONFUSE PEOPLE WHO SUBSEQUENTLY RE-READ IT. IT APPEARS THAT, FOR MORE MODERN TELLYS AT LEAST, THE OPTION ("INPUT SIGNAL PLUS" IN SETTINGS/ GENERAL/ EXTERNAL DEVICE MANAGER) FOR TOGGLING BETWEEN HDR AND SDR ONLY FUNCTIONS IF YOU ARE WATCHING VIA AN EXTERNAL DEVICE SUCH AS AN APPLE-TV OR A FIRESTICK. IF YOU ARE USING THE TELLY'S OWN SMART NETFLIX APP THERE APPEARS TO BE NO OPTION TO TOGGLE BETWEEN HDR AND SDR. a) If watching via the Netflix smart app on the Samsung HDR telly itself, turn off the HDR settings in the telly’s General/ External Device Manager settings which set the input ports for HDR. Usually called HDMI UHD Colour or Input Signal Plus. (EDIT: NO, THAT WON'T WORK. ) Now the Netflix Dolby Vision HDR video will still play in 4k/UHD but only in SDR. (And only in 8-bit) But, at least, you can see it without having to sit in the coal cellar. (May cause unwanted changes to other devices connected to the TV) Remember to turn those settings back on again for non-HDR Netflix videos and for all Amazon etc. videos. b) If watching via an AppleTV 4k connected to a Samsung HDR TV the following are usually the best Video settings in the AppeTV for everything except Netflix HDR videos. I recommend using them all the time: - 4K SDR (Yes, SDR!) in 50Hz (UK) or 60Hz - Chroma 420 (To enable 10-bit on most, not-super-expensive, Samsung tellys) - Match Content > Range and Frame Rate both turned on. Now, to watch a Netflix Dolby Vision HDR video in SDR on a Samsung HDR TV, simply turn off Match Dynamic Range (only) in the Match Content setting referred to above. EDIT :SO LONG AS YOU HAVE SET YOUR APPLE-TV TO SDR AS I HAVE RECOMMENDED ABOVE. Now the Netflix Dolby Vision HDR video which you want to watch will still play in 4k/UHD but only in SDR. (And only in 8-bit) Remember to turn that Range setting back on again for non-HDR Netflix videos and for all Amazon etc. videos. EDIT: NOTE THAT, IF YOU ALTERNATIVELY ELECT TO TURN OFF HDR WHEN USING AN APPLE-TV BY USING THE "INPUT SIGNAL PLUS" SETTING IN YOUR SAMSUNG TV SETTINGS, THAT WILL WORK BUT THEN YOUR APPLE TV WILL SENSE THAT IT IS NO LONGER CONNECTED TO AN HDR TV AND WILL PROBABLY ALTER SEVERAL OF IT'S OWN SETTINGS. EXPLANATIONS: Firstly, the “best” AppleTV settings shown above will allow SDR Videos and the Home Screen to display correctly and then, when you start to play any HDR video, the AppleTV automatically switches itself to output HDR ( and automatically back to SDR again, when done.) EDIT: UNLESS, OF COURSE, YOU HAVE TURNED OFF THE "MATCH RANGE" OPTION IN ORDER TO WATCH A NETFLIX DOLBY VISION VIDEO. Netflix outputs it’s HDR videos in Dolby Vision HDR format. Many brands of telly display this OK but Samsung tellys are designed to use the rival HDR10+ format. Dolby Vision formatted videos display badly on Samsung TVs. Full stop! Amazon Prime output their HDR videos in HDR10+ format so they display nicely on Samsung tellys. Netflix claim to output HDR in both Dolby Vision format and in vanilla HDR10 (without a +) format. Presumably, if we could get them to send HRD10 (without a +) format videos to our Samsung TVs that would fix the problem. But, I rang Netflix, and it seems (in a very vague conversation) that this is not possible unless our AppleTVs could somehow request it. Dolby Vision vs HDR10+. Who will win the battle to become the industry standard? Note that this correct AFAIK on 08/10/2019 and may change in future. Those of us who just bought new Samsung TV sets will be keeping our fingers crossed! EDIT: MY APOLOGIES FOR THE EDITS!
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