Projector Reviews

JVC DLA-NX9 D-ILA Projector Review Sidebar: Plays Well With Panasonic

Sidebar: Plays Well With Panasonic

JVC added new color profiles in a recent firmware update that are meant to maintain nearly perfect synergy between the JVC and the tone mapping provided by the HDR Optimizer feature of Panasonic's DP-UB9000 Ultra HD Blu-ray player. The color profiles coincide with the Panasonic's Basic and High Luminance Projector modes. (Panasonic's DP-UB820 player also has a Basic Luminance Projector mode that corresponds with the UB9000's high luminance mode.)

Basic Luminance uses the projector's color filter to provide the widest color gamut and is optimized for around 350 nits light output. High Luminance does not use the filter and is optimized for around 500 nits light output. Both modes emulate a specific dynamic range "package" that the full HDR signal (which could go up to 4,000 nits!) has to work with when displayed on projectors, which have a lower peak light output capability than flat-panel LCD and OLED TVs provide. (Generally, the higher the dynamic range of the original content, the more range you want to permit to avoid artifacts like clipping.)

While both methods delivered HDR images that looked far better than what we typically see with projectors, they weren't perfect. The Basic Luminance mode works well for most available Ultra HD Blu-rays, but occasionally needed fine-tuning for higher nit titles. The High Luminance mode is optimized for higher nit titles but delivers lower color saturation by foregoing the color filter. In the end, I actually preferred using the NX9's auto tone mapping coupled with the Panasonic's HDR Optimizer modes instead of the new color profiles. This allowed me to use the projector's BT2020 color profile with either output mode, and because Panasonic's player outputs a fixed MaxCLL, the JVC's auto tone mapping optimized HDR content just as well in my viewing tests. .–KRD

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COMMENTS
jaypederson@yahoo.com's picture
Submitted by jaypederson@yah... on April 19, 2019 - 1:23pm

I'm not doubting you but Panamorph's website says "Panamorph’s patented new Paladin DCR lens system works with the anamorphic upconversion modes now incorporated into all new Sony and JVC 4K/4096 projectors" but you state "One caveat is that the JVC does not have a proper 16x9 anamorphic mode for use with the Paladin DCR lens." Can you please explain further? Thank you

Kris Deering's picture
Submitted by Kris Deering on May 5, 2019 - 9:28am
Hi Jay! The DCR lens does indeed work with the JVC, so Panamorph's website is indeed correct. When you have a fixed lens in place for a scope screen it works perfectly for "scope" content. But if you want to watch 16x9 or 1.78:1 content, there needs to be a scaling mode that proper converts the now stretched image to display it properly inside the 2.35:1 framing. The JVC does not offer that when using the DCR version of the Paladin lens. It does offer this for the non-DCR version though. The only way I know of to get proper 16x9 framing inside the frame would be to use an outboard video processor like the Lumagen Radiance Pro. Hope this helps!
Tigerpawgt's picture
Submitted by Tigerpawgt on April 25, 2019 - 4:59am

Was the post calibration 16 ftL achieved using a high or low lamp output?

Kris Deering's picture
Submitted by Kris Deering on May 5, 2019 - 9:29am
Hello! I was able to achieve a 16 fL white point in either mode on my screen. For the review I just left the projector in high lamp so I could use the aperture more aggressively to increase native contrast overall. Obviously the total light output you'll see in a system will depend on a variety of factors including throw distance, screen size, shape and gain.
jaypederson@yahoo.com's picture
Submitted by jaypederson@yah... on May 24, 2019 - 6:05am

Thanks for the explanation Kris! That makes sense now.

Belly Jane's picture
Submitted by Belly Jane on October 14, 2024 - 1:33am

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