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Go Back   Blu-ray Forum > Displays > Display Theory and Discussion > New Display Technologies


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Old 07-01-2017, 10:17 PM   #1
HDTV1080P HDTV1080P is offline
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Default LG OLED65E7P OLED Ultra HDTV Review

Hopefully a future firmware update might make the HDMI ports HDMI version 2.0b so that Dolby Vision can be supported over HDMI, since currently the set only supports Dolby Vision for streaming from the Internet and streaming from the USB port.


The following are some select quotes from the Sound and Vision magazine review:


"All of the TV’s HDMI inputs are HDMI 2.0a with HDCP 2.2."


"Like LCD TVs, OLED sets produce more motion blur than CRTs and plasmas did. You can reduce it with LG’s TruMotion control, but that produces the dreaded soap-opera effect."

Read more at https://www.soundandvision.com/conte...ra-hdtv-review
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Old 07-02-2017, 12:05 AM   #2
jcs913 jcs913 is offline
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Am I missing something or is the article wrong?? They are saying the new 2017 OLED E7 does not play DV on a disc, but my 2016 B6 does??
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Old 07-03-2017, 03:08 AM   #3
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Quote:
Originally Posted by jcs913 View Post
Am I missing something or is the article wrong?? They are saying the new 2017 OLED E7 does not play DV on a disc, but my 2016 B6 does??

According to the review the LG OLED's are HDMI 2.0a only. However maybe LG has or well come out with a firmware update to make the OLED sets HDMI 2.0b with Dolby Vision support over the HDMI input.

The only Blu-ray players currently that support Dolby Vision is the OPPO UDP-203/UDP-205, and the first Dolby Vision encoded Blu-ray discs just recently came out.
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Old 07-04-2017, 03:31 AM   #4
TM2-Megatron TM2-Megatron is online now
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Technically, Dolby Vision doesn't require HDMI 2.0b. In fact, I've read in a few places that it can even work over the older 1.4.

I believe 2.0b is required for HLG and Technicolor HDR.
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Old 07-05-2017, 02:54 AM   #5
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Quote:
Originally Posted by TM2-Megatron View Post
Technically, Dolby Vision doesn't require HDMI 2.0b. In fact, I've read in a few places that it can even work over the older 1.4.

I believe 2.0b is required for HLG and Technicolor HDR.

Dolby Vision only requires HDMI 2.0b with HDCP 2.2 when the source signal is 4K Ultra HD resolution.
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Old 07-05-2017, 06:03 AM   #6
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Quote:
Originally Posted by HDTV1080P View Post
Dolby Vision only requires HDMI 2.0b with HDCP 2.2 when the source signal is 4K Ultra HD resolution.
I don't think that's the case, because the 2016 OLED HDMI ports are still 2.0a, and Dolby Vision works on them with the Despicable Me and Power Rangers UHDs. It's the HLG compatibility update that LG promised for 2016 models that will bump them up to 2.0b.
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Old 07-05-2017, 01:28 PM   #7
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Lg released another firmware update a couple of days ago that listed these as the improvements:

1) Improvements in HDR (HDR 10/ HLG)*
2) Bugs fix in Dolby vision*
3) Improvements in shortcut key for apps on remote controller.*
4) Improvements in Dolby Atmos*

now whether or not this makes dv discs compatible on the new sets I don't know... I am anxious to try it out but there isn't anything I care to own that is currently available, maybe with fate of the furious next tuesday I'll give it a shot
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Old 07-05-2017, 04:21 PM   #8
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Quote:
Originally Posted by TM2-Megatron View Post
I don't think that's the case, because the 2016 OLED HDMI ports are still 2.0a, and Dolby Vision works on them with the Despicable Me and Power Rangers UHDs. It's the HLG compatibility update that LG promised for 2016 models that will bump them up to 2.0b.

It only takes a firmware update to update HDMI ports from HDMI 2.0a to HDMI 2.0b. If you are really watching Blu-ray discs in Dolby Vision over a HDMI port then those HDMI ports have to be HDMI 2.0b, 2.1, or greater.
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Old 07-06-2017, 03:27 AM   #9
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Quote:
Originally Posted by HDTV1080P View Post
It only takes a firmware update to update HDMI ports from HDMI 2.0a to HDMI 2.0b. If you are really watching Blu-ray discs in Dolby Vision over a HDMI port then those HDMI ports have to be HDMI 2.0b, 2.1, or greater.
Feel free to check the UHD section in the threads on the Despicable Me and Power Rangers releases... numerous 2016 OLED owners watching the discs in Dolby Vision. I'm just not sure where you're getting the idea that 2.0b is required for Dolby Vision... this has been discussed several times over at AVS forums, and I can assure you our 2016 OLEDs haven't yet received a firmware update to update our ports to HDMI 2.0b. That update is supposed to come when the 2016 OLEDs receive HLG HDR compatibility, as HDMI 2.0b is required for HLG.

Last edited by TM2-Megatron; 07-06-2017 at 03:41 AM.
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Old 07-06-2017, 08:20 PM   #10
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The OPPO UDP-203/205 Blu-ray players required a firmware update from HDMI 2.0a to HDMI2.0b so that Dolby Vision would work. Also according to the thread called “What is the difference between HDMI 2.0a and HDMI 2.0b?”, the last entry from JohnAV says “UHD + DV playback necessitate’s HDMI 2.0b, HDCP 2.2. Your transmitting more then DV meta data over HDMI.”

https://forum.blu-ray.com/showpost.php?p=13797545&postcount=16
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Old 07-06-2017, 08:26 PM   #11
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Quote:
Originally Posted by TM2-Megatron View Post
Feel free to check the UHD section in the threads on the Despicable Me and Power Rangers releases... numerous 2016 OLED owners watching the discs in Dolby Vision. I'm just not sure where you're getting the idea that 2.0b is required for Dolby Vision... this has been discussed several times over at AVS forums, and I can assure you our 2016 OLEDs haven't yet received a firmware update to update our ports to HDMI 2.0b. That update is supposed to come when the 2016 OLEDs receive HLG HDR compatibility, as HDMI 2.0b is required for HLG.

Only the OPPO UDP-203/UDP-205 offers the Dolby Vision feature and the display has to handshake at HDMI 2.0b. If the display handshakes at HDMI 2.0a then only HDR10 is being sent over HDMI. Hitting the info button on the OPPO UDP-203/UDP-205 will show what the HDMI signal being sent is, either Dolby Vision or HDR10.
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Old 07-07-2017, 12:41 AM   #12
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I can tell you that with certainty that the 2016 OLED's play Dolby Vision from the UHD Despicable Me disc from the 203. The info button says Dolby Vision and the display also has the DV badge on the screen after the disc loads. Check the pic JohnAV posted on post #3189 in the link below from the display. The 2016 OLED confirms the DV after load and the 203 says it on the info screen. I don't know about the a/b spec, but it works and that is all I know.

https://forum.blu-ray.com/showthread...8#post13691888
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Old 07-11-2017, 04:51 AM   #13
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Well this means some of the LG OLED displays that use to be HDMI 2.0a received a firmware update to make their HDMI ports HDMI 2.0b. The following link is information from OPPO Digital INC, confirming that the display must have a HDMI 2.0b port for Dolby Vision to work over HDMI, otherwise the display will display HDR10 instead.


https://forum.blu-ray.com/showpost.p...postcount=3448
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Old 07-30-2017, 01:12 PM   #14
Robert Zohn Robert Zohn is offline
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Prices dropped again today on the 55" and 65" E7 and G7 series OLED TV's and they throw in LG's 55 UJ6300 at no charge or you can just take an additional $300 the E7 or G7 price.
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Old 07-30-2017, 06:22 PM   #15
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Quote:
Originally Posted by HDTV1080P View Post
Well this means some of the LG OLED displays that use to be HDMI 2.0a received a firmware update to make their HDMI ports HDMI 2.0b. The following link is information from OPPO Digital INC, confirming that the display must have a HDMI 2.0b port for Dolby Vision to work over HDMI, otherwise the display will display HDR10 instead.


https://forum.blu-ray.com/showpost.p...postcount=3448
That's one of your posts, but I'm not seeing that information you're quoting on any of Oppo's websites or FAQs (googling those quotes brings back only your forum post, and nothing else). The only thing I see regarding Dolby Vision and HDMI 2.0a vs b from Oppo is in the FAQ for the UDP-203:

Quote:
Is the UDP-203's main HDMI output 2.0, 2.0a or 2.0b?

In our documentation, we are not distinguishing between the a/b revisions of the HDMI 2.0. We simply use the HDMI 2.0 term to show that the player can output video at the 18Gbps data rate. If we must use a revision number, currently the main HDMI output on the UDP-203 is HDMI 2.0a since the difference between the 2.0a revision and initial 2.0 is the support for HDR, and the player supports HDR. When we upgrade the player to support Dolby Vision in the future, the output will become HDMI 2.0b compliant since supporting HLG (Hybrid Log Gamma) HDR meta data is the difference between 2.0b and 2.0a. The HDMI input and output are HDCP 2.2 compliant.
They state, as I did earlier, that the difference between HDMI 2.0a and 2.0b is the support of Hybrid Log Gamma metadata, not Dolby Vision. The way the FAQ is worded make Dolby Vision support being added incidental to the update of the HDMI port.

The 2016 OLEDs displayed Dolby Vision via discs (Despicable Me 1/2 and Power Rangers) prior to their HDMI 2.0b update, which only came about 2 weeks ago when they finally recieved HLG-HDR functionality.
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Old 07-31-2017, 10:11 PM   #16
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I disagree, however you can believe what every you want to believe about Dolby Vision and HDMI 2.0b.
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Old 12-01-2017, 12:10 PM   #17
Nick Laslett Nick Laslett is offline
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Maybe the confusion is regarding 60hz Dolby Vision?

2016 LG OLEDs can only do 24hz and 30hz Dolby Vision.

So both statements are right.
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Old 12-05-2017, 08:12 PM   #18
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Quote:
Originally Posted by HDTV1080P View Post
I disagree, however you can believe what every you want to believe about Dolby Vision and HDMI 2.0b.
Perhaps it would help in the post of yours you linked if you actually cited the source for the quotes?

It does sound like if those quotes are from Oppo, that Oppo were mistaken.

https://www.flatpanelshd.com/focus.p...5#HDMI-version

Quote:
Dolby Vision does not require HDMI 2.0a or 2.1. It embeds the metadata into video signal. Knowing that previous versions of HDMI would not pass the Dolby Vision dynamic metadata, Dolby developed a way to carry this dynamic metadata across HDMI interfaces as far back as v1.4b. The HDMI specification is now catching up with v2.0a supporting static metadata and future versions expected to support dynamic metadata as well. Dolby’s intent is not to compete with HDMI but merely to enable deployment of a full Dolby Vision HDR ecosystem without having to wait for HDMI standardization to catch up. Dolby was and is directly involved in standardization of the current and future versions of HDMI.

In practice, most Dolby Vision content is in Ultra HD and requires HDCP 2.2 copy protection, which is only available on HDMI 2.0 and up.
Also the HDMI 2.0b specs from HDMI.org don't mention anything about this limitation for Dolby Vision:

https://www.hdmi.org/manufacturer/hdmi_2_0/index.aspx
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Old 12-06-2017, 12:18 AM   #19
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dobyblue, I cited quotes from both OPPO Digital INC and JohnAV in regards to Dolby Vision HDR at 4K resolution requiring HDMI 2.0b (under 4K resolution Dolby Vision HDR works with standard HDMI including version 1.4b). Many products that are HDMI 2.0 and HDMI 2.0a can be updated to HDMI 2.0b with a simple firmware update.


Now if OPPO Digital INC and John AV are incorrect about Dolby Vision HDR needing HDMI 2.0b, then that would be interesting.

Last edited by HDTV1080P; 12-06-2017 at 12:25 AM.
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Old 12-06-2017, 12:30 AM   #20
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Here is a few old email quotes from OPPO Digital INC:


"If you want Dolby Vision, then you will need at least the television to support Dolby Vision (HDMI 2.0b). The receiver does not need to support it because you can always use a split configuration, but if you want to use HDMI (MAIN) for all audio and video through the receiver, then the receiver would also need to support Dolby Vision as well."

"The display also has to support Dolby Vision, otherwise, the player will just output HDR10. HDMI 2.0 is a hardware limitation, while HDMI 2.0a and 2.0b are software specifications. This is why our player was able to be upgraded to support Dolby Vision as the internal hardware already supported the technology, it just needed a software update to make it available."
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