Match the quotes to the DP “[HDR is] a dream for any cinematographer, any creator of images... I think every cinematographer will have an interest in high dynamic range, because it’s the way that we want to capture images, so later we can do whatever we want in [digital color grading]. We need all the... Continue Reading →
MiniLED – How many dimming zones are necessary to a achieve contrast ratios comparable to OLED?
According to this study, when seated at the minimum viewing distance, 4X as many zones are required for an 85" 8K TV as compared to a 55" 4K TV; but when seated at the optimum viewing distance (at which the display occupies a 40° field of view)), the number of zones remains the same for... Continue Reading →
No, It Doesn’t
Forum member, EOSHD https://youtu.be/wEf8FmPMJxM It appears that many in the online community obstinately refer to ETTR as overexposure, which it is not. Overexposure is pushing highlights too far, to the point of clipping, at which point they are unrecoverable. Exposing to the right maximizes dynamic range while minimizing noise in the shadows.
Devotion is a Feast for the Eyes
Unlike 99% of productions, Korean War drama Devotion was conceived, monitored and shot in HDR, the show LUT and dailies were HDR, the hero grade was HDR - and it looks simply gorgeous. Photo: Netflix Photo: Netflix Photo: Netflix Photo: Netflix
“Is the Barten Ramp the correct threshold?”
The Barten Ramp is calculated from P. G. J. Barten’s 1999 Contrast Sensitivity Function (CSF), a model that supposedly incorporated most of the important variables in the ability of the HVS to detect contouring in digital display systems. Note this is modeled rather than measured data and the model is based on data that predates... Continue Reading →
“Television Better Served By HLG“
“The PQ system was developed by Dolby, a company whose main focus is on the cinema while the HLG system was developed jointly by BBC and NHK, two organizations whose main focus is on television… Television is probably better served by the HLG system that was designed from the ground up by television engineers for... Continue Reading →
Narrow vs. Full Range
Grass Valley White Paper diagram of the Barten ramp showing the susceptibility to banding of different HDR curves. We can see that full range offers only a very slight advantage over narrow range in guarding against banding artifacts. Photo: Grass Valley
What’s Behind the Window?
Frankly, we'd rather not know. Below, screenshots from a few outstanding examples of HDR filmmaking and one screen grab from a promotional video shot by Erik Messerschmidt for the ARRI Alexa 35. Photo: ARRI. Encounters 'The Swing', DP Erik Messerschmidt Photo: Netflix. 'Devotion', DP Erik Messerschmidt Photo: Netflix. 'The Hand of God', DP Daria D'Antonio... Continue Reading →
Cinema Camera WCG Capability
Shane Mario Ruggieri, in his podcast with Mixing Light, said that not all cameras with high dynamic range can capture very saturated, accurate colors at high luminance levels. The diagrams illustrate the light gathering ability of a few cinema cameras capable of recording between 11 and 12 stops of dynamic range (Imatest). The OG Sony... Continue Reading →
Want to enjoy your HDR videos in a bright viewing environment? Shoot HLG!
“With both PQ and HLG, if video content is displayed at the same brightness and in the same viewing conditions as those in which it was produced, it will look the same as it did on the production monitor. The creative intent will be maintained. Indeed, under these conditions PQ and HLG deliver identical looking... Continue Reading →
“10 Stops Is Perfectly Good”(Provided You’re Confining Yourself to SDR Levels)
What cameras do you normally come across when you're working in HDR? Is there any specific camera that's worked really well for you? Are there cameras that are problematic? "I remember something that Bill B., the guy who put me in the business, he told me something when I asked him what camera I should... Continue Reading →
What Were They Thinking?
Watched a few minutes of the doc Madoff: The Monster of Wall Street and was struck by the number of scenes where those 12K, 5K and 3K lights were just burning holes in the picture. Photo: Netflix Photo: Netflix
The #1 factor to determine prior to grading an HDR show
When asked if he had any tips for those undertaking Dolby Vision HDR grading for the very first time, Siggy Firstl, senior colorist at Company 3, gives the following piece of advice: "Understand the look [that] the filmmakers are wanting and establish early on the sort of bright[ness] levels, how far you want to push... Continue Reading →
Sony Color Management Updates
Here are the revised settings for Sony S-Gamut3.Cine/S-Log3 and ProRes 4444 XQ Rec.2100 ST2084 (from ProRes RAW), the chief difference being no more input or output DRT. Only restrict output color space to P3-D65 if the mastering display is calibrated to P3. Set 'HDR mastering is for' according to the capabilities of the mastering display.
What becomes of skin tones when a clip that is mastered to 1,000 nits is viewed on a 4,000-nit display?
a) Luminance levels will all remain unchanged b) Luminance levels will all increase exponentially c) Skin tones will remain unchanged, highlights and shadows will expand and fur will become more saturated d) The picture will fry the viewer's eyeballs e) None of the above According to the Ultra HD Forum, skin tones should be rendered... Continue Reading →
The 5 Commandments of HDR
These are all taken from an excellent series of articles by Art Adams (now cinema lens specialist at ARRI) on HDR and none of the guidelines will be new to anyone who’s been following our blog, but here goes. TEST, TEST, TEST. Lens and sensor combinations should be tested extensively in advance. Some lenses work... Continue Reading →
HDR Compatible Video Assets
Who wouldn’t like to easily add some lens flares, prism bokeh, light leaks, dust particles or other effects to their HDR videos? Back in the day, if you were an Adobe or Final Cut user, even a novice could quickly throw on some assets or video templates and get really nice results. Rocketstock offers a... Continue Reading →
Enable RGB 4:4:4 On LG CX
Both DaVinci Resolve and Dolby Vision certified trainers insist on full data levels for HDR video monitoring and delivery. Here's how to set up your LG CX. 1. Settings > All Settings > Additional Settings 2. HDMI Ultra HD Deep Colour 3. Assign to input 4. Go to Home Dashboard 5. Gear icon > Edit... Continue Reading →
Eric Weidt On Grading Mindhunter
There's next to nothing online about HDR color grading, so this marvelous presentation by Eric Weidt, where the colorist talks about his collaboration with director David Fincher on Mindhunter, is a real treat. Incredible that Film Light thought it worthwhile enough to deliver in HDR. Turn the lights down and enjoy! https://youtu.be/QDDY4B-D15g Scott Miller, Senior... Continue Reading →
Scene Referred or Display Referred?
We're in the middle of comparing REDWideGamutRGB/Log3G10 and Rec.2020 ST2084 as the timeline color space. There's definitely a difference between how the two feel, we're just trying to decide which we prefer. Which one do you like working with?
The Daejeon Chronicles 