Official Panasonic DP-UB820/824 Owner's Thread (No Price Talk) - Page 212 - AVS Forum | Home Theater Discussions And Reviews
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post #6331 of 6760 Old 12-06-2019, 04:41 PM
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Originally Posted by TitusTroy View Post
thanks for the clarification...so what's the point of the Dynamic Tone Mapping setting?...does it boost the built in tone mapping feature of the display and is it effective?...or is better to have it disabled regardless on whether I have the HDR Optimizer feature?...so the fact that my C7 doesn't have the Dynamic Tone Mapping feature is not a big loss?
It does have it, and I've edit my post to explain more but you were too fast for me, there's more in there now

You don't want two separate algorithms both analysing the picture and manipulating the tone curve, the player and the TV, that could go badly wrong and they could work against each other. That's what Vincent is saying, you pick one, and use it. Or neither. But not both at the same time :-)

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post #6332 of 6760 Old 12-06-2019, 04:42 PM
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So - turn off 'Dynamic Contrast' to turn off dynamic tone mapping HTH
Dynamic Contrast you don't want to disable on the C7 as it acts as a sort of pseudo HDR10+...it acts as a way of enabling dynamic metadata for HDR10 content
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post #6333 of 6760 Old 12-06-2019, 04:46 PM
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Dynamic Contrast you don't want to disable on the C7 as it acts as a sort of pseudo HDR10+...it acts as a way of enabling dynamic metadata for HDR10 content
Which is the same thing and is the answer to your question "how do you turn off dynamic tone mapping" and what Vincent is advising you to do.
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post #6334 of 6760 Old 12-06-2019, 04:48 PM
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Originally Posted by mrtickleuk View Post
Which is the same thing and is the answer to your question "how do you turn off dynamic tone mapping" and what Vincent is advising you to do.
so the HDR Optimizer doesn't apply to Dolby Vision content as DV is already using dynamic metadata right?...but then why is the HDR Optimizer available on the UB420 which supports HDR10+?...HDR10+ is already using dynamic metadata
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post #6335 of 6760 Old 12-06-2019, 05:05 PM
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Originally Posted by TitusTroy View Post
so the HDR Optimizer doesn't apply to Dolby Vision content as DV is already using dynamic metadata right?...but then why is the HDR Optimizer available on the UB420 which supports HDR10+?...HDR10+ is already using dynamic metadata
HDR Optimizer does not work with HDR10+ either.
Note that HDR Optimizer is static, not dynamic.
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post #6336 of 6760 Old 12-06-2019, 05:06 PM
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I thought the player was just tonemapping? When does it add dynamic metadata? Or are y’all just talking about what Vincent says is an accurate picture?

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post #6337 of 6760 Old 12-06-2019, 05:25 PM
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"To activate this feature on the C7, you need to go in the 'Expert control' tab. In the 'Expert Control' tab, you will need to set the 'Dynamic Contrast' to 'Low'. The 'Low' setting turn on the 'Active HDR without the 'Contrast Enhancement'"

I think my C7 handles things better because setting Dynamic Contrast to Low doesn't effect the Contrast...in the 2018+ models they changed the name to Dynamic Tone Mapping and it works a bit differently...so for those displays I think disabling it in the LG settings and enabling the HDR Optimizer would be the best way to go...but for my C7 I think it's better to use the Dynamic Contrast Low setting (which is how I've always used it)
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post #6338 of 6760 Old 12-06-2019, 08:32 PM
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There is hope, but it's only forlorn and unrealistic fantasy hope!
Sad. I don't know how it streams Prime and Netflix, and I don't have Disney+ yet. Figured that was unlikely. I did think I read somewhere that it could work with voice commands though? I bought another echo to control the lights, but thought about getting a cube with it to do more. Bummer and bummer...
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post #6339 of 6760 Old 12-06-2019, 08:34 PM
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Sad. I don't know how it streams Prime and Netflix, and I don't have Disney+ yet. Figured that was unlikely. I did think I read somewhere that it could work with voice commands though? I bought another echo to control the lights, but thought about getting a cube with it to do more. Bummer and bummer...
Says this when I look it up online...


Works with Alexa - command a variety of operations without your remote with Alexa, Plus Access a wider variety of 4K content with 4K VOD streaming from Prime video, Netflix and YouTube
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post #6340 of 6760 Old 12-06-2019, 11:24 PM
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Hello all, I am new to AVS Forums and this is my first post so I apologize for my lack of knowledge on everything 4K and HDR related.
I was wondering for any of you that happen to have a Panasonic DP-UB820 paired with an Epson 5040UB, how you get the best picture possible out of that combo. In particular what settings do I need to adjust to get the best HDR colors?
You can assume my projector and 4K Blu-ray player are on their factory settings. I would be so appreciative if someone could recommend everything that needs adjusted to get stellar picture and HDR colors. Thanks so much for any help you can provide.
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post #6341 of 6760 Old 12-07-2019, 03:56 AM
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Sad. I don't know how it streams Prime and Netflix, and I don't have Disney+ yet. Figured that was unlikely.
There's no "yet" for Disney+ here, I have no intention whatsoever of subscribing to Disney+.

Just use the internal apps on your TV, the picture quality will be better anyway.

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post #6342 of 6760 Old 12-08-2019, 05:56 AM
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Finally for mine along with my first Oled! This player really is fantastic!
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post #6343 of 6760 Old 12-08-2019, 07:54 AM
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Quote:
Originally Posted by mrtickleuk View Post
Quote:
Originally Posted by Porknz View Post
Sad. I don't know how it streams Prime and Netflix, and I don't have Disney+ yet. Figured that was unlikely.
Just use the internal apps on your TV, the picture quality will be better anyway.

Please elaborate....

I was planning on using this DVD player’s apps for Netflix, etc. is this NOT the ideal option? Many other posts claim that TV’s apps are typically inferior....

😎It's just life, dude. We are all gonna die sometime--Might as well try and have a kickass time while we're still here.😜
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post #6344 of 6760 Old 12-08-2019, 12:44 PM
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Please elaborate....

I was planning on using this DVD player’s apps for Netflix, etc. is this NOT the ideal option? Many other posts claim that TV’s apps are typically inferior....
For one thing, internal apps inherently have fewer conversions from RGB to YCrCb and back to RGB in the TV's internal signal processing path. If you're using a HDMI input that's a couple of extra conversions to start with, so the internal app has a head start. Each conversion can introduce rounding errors etc.

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post #6345 of 6760 Old 12-08-2019, 07:47 PM
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The ub820 has the amazing hdr tone mapping feature and hdr optimizer.

Another interesting feature is the hcx processor; it takes 1080p hd 420 and upscales to 4k 444; and takes 4k uhd 420 and colors to 444.
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post #6346 of 6760 Old 12-09-2019, 01:17 PM
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Originally Posted by am2model3 View Post
The ub820 has the amazing hdr tone mapping feature and hdr optimizer.
Agreed

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Another interesting feature is the hcx processor; it takes 1080p hd 420 and upscales to 4k 444; and takes 4k uhd 420 and colors to 444.
Every TV in the world does that when an incoming 4:2:0 signal arrives to the TV, otherwise some pixels would not have any colours!

It's all about how well it can guess what the colours were that were lost, in the lossy compression from the original 4:4:4 (every pixel has its own colour) down to 4:2:0 (colours are shared).

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post #6347 of 6760 Old 12-10-2019, 02:26 PM
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Disney+ release info.

This is just speculation but my cousin in Germany messaged me asking if we had Disney+ available yet here in the states because they don't get it until March 31st 2020. Since this player was European based I'm assuming we will probably get the app shortly after then. It would be awesome if we got it before then but most likely we will need to wait until then if they plan to make it available in the future.
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post #6348 of 6760 Old 12-10-2019, 03:22 PM
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This is just speculation but my cousin in Germany messaged me asking if we had Disney+ available yet here in the states because they don't get it until March 31st 2020. Since this player was European based I'm assuming we will probably get the app shortly after then.
Did you know that Japan is not in Europe?

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post #6349 of 6760 Old 12-10-2019, 06:27 PM
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I have an older Pioneer receiver elite vsx45 and it does not have the newer decoders like atmos. I'm running the 820 hdmi audio directly to the pioneer. and it seems like when it downmixes the newer formats to dts I'll get some audio dropouts. When playing "ready player one" I'll get a few dropouts. It doesn't seem to happen in DD+.

I have the player set to bitstream, when I switch it to pcm, my receiver switches to dd+.

Don’t remember this happing with my previous Samsung 4K player.

Think before you speak....

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post #6350 of 6760 Old 12-11-2019, 01:43 AM
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Thanks, peeps!

So its just like the old-school days of running s-video/component video cables straight to the tv to bypass the receiver for those who wanted the best possible picture.
The picture should be the same since it's digital, but you never know so it might have some benefit going straight from the player to the display. However, like they said, it's mainly if you don't have a receiver that will pass through the newer signals, then you definitely want one to go strait to the display, the the other one to send audio to the receiver.

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post #6351 of 6760 Old 12-11-2019, 05:01 AM
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I think my C7 handles things better because setting Dynamic Contrast to Low doesn't effect the Contrast...in the 2018+ models they changed the name to Dynamic Tone Mapping and it works a bit differently...so for those displays I think disabling it in the LG settings and enabling the HDR Optimizer would be the best way to go...but for my C7 I think it's better to use the Dynamic Contrast Low setting (which is how I've always used it)
If you want to use the HDR optimizer you need to disable dynamic ontrast on your C7 or you'll lose the benefits of the former. This has been proved by Vincent Teoh and others.
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post #6352 of 6760 Old 12-11-2019, 06:28 AM
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Originally Posted by Yankees24 View Post
I have an older Pioneer receiver elite vsx45 and it does not have the newer decoders like atmos. I'm running the 820 hdmi audio directly to the pioneer. and it seems like when it downmixes the newer formats to dts I'll get some audio dropouts. When playing "ready player one" I'll get a few dropouts. It doesn't seem to happen in DD+.

I have the player set to bitstream, when I switch it to pcm, my receiver switches to dd+.

Don’t remember this happing with my previous Samsung 4K player.
I solved my own issue.....what was happening was that my tv was taking control of the receiver and it would switch the input back to "arc" instead of my dedicated 4k BD inout on my pioneer.

Think before you speak....
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post #6353 of 6760 Old 12-11-2019, 09:33 AM
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can someone provide UB820 settings for sony oled A8F and LG SJ9

sound is not good at all..picture quality is fine.. in UB820 I changed TV type to oled and enabled DV and HDR10+ ..let me know what settings should be on TV and player for better picture and sound.
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post #6354 of 6760 Old 12-11-2019, 10:08 AM
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can someone provide UB820 settings for sony oled A8F and LG SJ9

sound is not good at all..picture quality is fine.. in UB820 I changed TV type to oled and enabled DV and HDR10+ ..let me know what settings should be on TV and player for better picture and sound.

Ummm, how about you tell us what your settings are first?
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post #6355 of 6760 Old 12-13-2019, 09:44 AM
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I have a similar question. I have a pro-calibrated LG C8. Should I move any of the UB820 settings off of default values? In looking at them I didn't see anything jump out as obvious candidates to change. I flipped Dolby Vision on and left the rest alone. Would I have any need of the HDR optimizer?
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post #6356 of 6760 Old 12-13-2019, 10:13 AM
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I have a similar question. I have a pro-calibrated LG C8. Should I move any of the UB820 settings off of default values? In looking at them I didn't see anything jump out as obvious candidates to change. I flipped Dolby Vision on and left the rest alone. Would I have any need of the HDR optimizer?
I have the same combo as you, including a calibrated C8. After I had my calibration, my guy actually recommended I get a UB820 and so I did. The primary reason was for it's HDR Optimizer, which is basically it's Dynamic Tone Mapping. He said it was superior to the TVs version and I have definitely found that to be the case. I actually have Dynamic Tone Mapping turned off on my C8 now and just let the Panasonic do it's thing. All my settings are more or less on default.
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post #6357 of 6760 Old 12-13-2019, 10:21 AM
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I have the same combo as you, including a calibrated C8. After I had my calibration, my guy actually recommended I get a UB820 and so I did. The primary reason was for it's HDR Optimizer, which is basically it's Dynamic Tone Mapping. He said it was superior to the TVs version and I have definitely found that to be the case. I actually have Dynamic Tone Mapping turned off on my C8 now and just let the Panasonic do it's thing. All my settings are more or less on default.
My understanding is that the Panasonic players only perform Static Tone Mapping, based on the metadata in the source. And that Dynamic Tone Mapping (like what the the new firmware for the JVC projectors do) performs the tone mapping on a frame by frame or scene by scene basis by analyzing each frame of the image as it is displayed.

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post #6358 of 6760 Old 12-13-2019, 10:42 AM
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My understanding is that the Panasonic players only perform Static Tone Mapping, based on the metadata in the source. And that Dynamic Tone Mapping (like what the the new firmware for the JVC projectors do) performs the tone mapping on a frame by frame or scene by scene basis by analyzing each frame of the image as it is displayed.
You may be right. I was always a bit confused about the nature of the UB820's HDR Optimizer. I read a lot of debates about using it OR your TVs, or using it AND your TVs, etc. I've had mine set the way i mentioned above for about 6 months. I honestly got tired of messing with it and wasn't just enjoying my Home Theater. I do know the C8's DTM can brighten (Or darken) and ENTIRE image when it doesn't always need to and it always irritated me. The UB820, with whatever style of tone mapping it's actually doing, only applies it to the parts of the image it needs to which I like.
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post #6359 of 6760 Old 12-13-2019, 11:48 AM
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Originally Posted by bwillcox View Post
My understanding is that the Panasonic players only perform Static Tone Mapping, based on the metadata in the source. And that Dynamic Tone Mapping (like what the the new firmware for the JVC projectors do) performs the tone mapping on a frame by frame or scene by scene basis by analyzing each frame of the image as it is displayed.
Yes, the reason the player's static tone mapping works so well, and is recommended, is that by doing a single very good static tone-map in the player (down to 1000 nits for OLED for example) and then sending that to the TV, it means the TV then does a much better job of (static) tone mapping than it would have done with the original 4000 nit container (for example).

The player has done all the "heavy lifting" first, before sending what is left to the TV to do the final bits.

The result of this is there's no need to resort to using the TV's dynamic tone mapping. TV-led DTM can't ever know in advance what's coming next and has to react and can be problematic.

All covered in Vincent Teoh's YouTube videos linked in this thread many times

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post #6360 of 6760 Old 12-13-2019, 12:12 PM
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Yes, the reason the player's static tone mapping works so well, and is recommended, is that by doing a single very good static tone-map in the player (down to 1000 nits for OLED for example) and then sending that to the TV, it means the TV then does a much better job of (static) tone mapping than it would have done with the original 4000 nit container (for example).

The player has done all the "heavy lifting" first, before sending what is left to the TV to do the final bits.

The result of this is there's no need to resort to using the TV's dynamic tone mapping. TV-led DTM can't ever know in advance what's coming next and has to react and can be problematic.

All covered in Vincent Teoh's YouTube videos linked in this thread many times
I can agree with that for display devices that don't support Dynamic Tone Mapping as the new firmware for the new JVC projectors do. That form of tone mapping doesn't depend on the metadata in the source (which sometimes is wrong or doesn't exist) and selects the best mapping for each frame or scene (depending on how you have it set in the projector).

1) JVC DLA-NX7 & Sony 65Z9D, Yamaha CX-A5200, Outlaw Audio 7900 & 7700, UDP-203, DP-UB9000, UBP-X800M2, Roku Ultra
2) Sony 75Z9D, Yamaha RX-A3080, 2xOutlaw Audio 2200s, UDP-203, UBP-X800M2, Roku Ultra
3) Sony 75X940E, Yamaha RX-A2080, UDP-203, UBP-X800M2, Roku Ultra
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