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Old Today, 09:44   #1  |  Link
Sunset1982
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Join Date: Sep 2014
Posts: 266
MadVR in use with LG OLED Thread

So here it is: The MadVR / LG OLED Thread.

Let's discuss the benefits of different TV modes (pc mode, game mode, aso...) and the best TV settings for the highest possible quality in use with madvr.


Here is my setup:

LG 65'' C8 OLED (latest firmware: 04.10.31)
HTPC with AMD Vega RX 56 (Driver 19.3.2)
MadVR (Version 0.92.17)
Windwos 10, Kodi DS Player

My current settings:

TV:
non-pc mode (HDMI 1)
Picture mode: technicolor Preset
Real Cinema: On
True Motion / Motion Pro: off/off
Black Level: auto
HDMI Ultra Deep Color: on

AMD settings:

RGB 4:4:4, 10 Bit


MadVR:
PC levels (0-255)
display bitdepth: auto
display modes: 2160p23 for movies

other madvr quality settings:

reduce banding artifacts low (default strength), low (fade in/out)
chroma upscaling: NGU AA, medium
image upscaling: NGU Sharp, high



What would be the benefits of using pc mode? chroma 4:4:4?

I thought that pc mode only works with 60hz and when changing to 23/24hz it pops out of pc mode. Is that right? (I've read that some years ago in a tv review...)

edit:

I just testet tv mode with different driver settings (rgb444, ybcbr 444, ybcbcr 422) and I got banding with all settings in pc mode while I get no banding with normal mode and rgb 4:4:4.
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Intel i5 6600, 16 GB DDR4, AMD Vega RX56 8 GB, Windows 10 x64, Kodi DS Player 17.6, MadVR (x64), LAV Filters (x64), XySubfilter .746 (x64)
LG 4K OLED (65C8D), Denon X-4200 AVR, Dali Zensor 5.1 Set

Last edited by Sunset1982; Today at 11:10.
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Old Today, 17:07   #2  |  Link
Asmodian
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Join Date: Feb 2002
Location: San Jose, California
Posts: 3,361
Have you used the ChromaRes.png test image to see if you are getting sub-sampled chroma? I assume you are anytime you are not in PC mode. If so I would never go above Jinc for chroma upscaling, and 3-tap spline is probably more appropriate; more is simply wasting power.

I also have noticeably worse banding when sending my TV (LG OLED C7) more than 8 bits in PC mode, have you tried using RGB 4:4:4 8 bit in your AMD settings?
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