The challenges of reproducing HDR on a projector. Why SDR looks better on many projectors than HDR?

In this week's podcast, Phil Jones and Phil Boyle discuss the challenges of accurately reproducing HDR (High Dynamic Range) on a projector. They explain that projectors struggle to display HDR content accurately due to their limited brightness range compared to flat panel displays.
They discuss the importance of contrast, native contrast, and color tracking in projectors for delivering good HDR performance. They also touch on the different types of tone mapping, such as static and dynamic, and the role of dynamic metadata in HDR formats like Dolby Vision and HDR10+.
They advise buyers to look for projectors with good native contrast, accurate color reproduction, and support for various HDR formats.
00:00 Introduction
00:21 HDR on Projectors, Does It Make a Difference
03:48 Understanding Tone Mapping in Projectors
08:14 Dynamic Vs. Static Tone Mapping
10:26 Dynamic Metadata in HDR Formats
15:56 HDR Color Tracking
21:51 How Much Brightness Do You Need to Properly Reproduce HDR
29:34 Advantages of Projectors for HDR Viewing
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[@luciusblackwood2640]

That was the most enlightening 30 minutes on projectors I have ever seen.

[@cbmore28]

Great explanation on HDR and tone mapping! For me it just reinforces the importance of getting the best black level posible for your viewing environment that you can. That starts with treating your room with non-reflective surfaces and using dark and neutral colors if possible. Projectors don't project black so whatever black looks like on your screen when the projector is off is the darkest black you are going to be able to achieve with the projector on.
I'd love to see you guys do a presentation on room preparation.

[@hifihometheater]

Very informative, guys. Thank You! Can you give your thoughts on using devices like HDFury, EZCOO etc. to get player led LLDV on projectors?

[@HammerThyme9]

Single chip DLP (eg BenQ W5800) seem to have a lot of benefits like brightness/colour/motion, yet are held back by poor black levels/native contrast. Do you know why they don’t just put a black and white LCD between the light source and imager to act as true local dimming and therefore solving the weaknesses above? Are there patents held by high-end DLP projector that prevent this?
Seems like this could take consumer DLP up to JVC levels, would love if you can ask some of your contacts in the industry. Great video, thanks!

[@davemccague222]

Hi Phil. Love your videos. You do a fantastic job at describing the technical information behind projectors. I’ve recently purchased JVC NZ7 that I’m quite happy with. I previously owned a JVC 550 projector. So this new laser-based projector was a big jump up in quality. The only thing I’ve noticed and I’m sure I can easily adjust this, but I haven’t quite yet. When watching SDR content the flesh tones to be a little bit on the pinky red side, any thoughts? I love your videos. Keep them coming.

[@juleocan]

Great info...keep them coming