Gamma ≠ Gamut ≠ EOTF

A few distinct concepts may have become conflated in these slides from the presentation Practical HDR and Wide Color Techniques in Gran Turismo SPORT [1], particularly color gamut, OETFs and EOTFs, and the standards used in different applications. Although the presentation correctly introduces OETF and EOTF as separate stages of the imaging pipeline, the subsequent... Continue Reading →

How to Kill a Game

Excessive bloom and volumetric fog are the bane of good visual design.  Exhibit A GAJA Atef, Game Designer | LinkedIn The execution is a crime scene. The bloom just butchers it for me—it’s over-cranked, making the geometry look deformed. Wood is rough but the PBR looks unnaturally smooth. Real wood doesn’t glow like that. Adding... Continue Reading →

Sky’s Got A Clause For That

Sky UK's Technical Specification for Delivery of Content represents a rigorous, policy-driven approach to HDR that directly addresses the epidemic of “HDR in name only."  The specification is unique in tying technical delivery requirements to creative intent and perceptual impact—a bond other streamers’ specs omit.  A strict policy on paper doesn’t guarantee perfect compliance in... Continue Reading →

Sony Ambassador Alister Chapman’s HDR Claims Debunked, Part II

Sony European Imaging Ambassador Alister Chapman uses his platform to promote categorically false claims about HDR. We break them down using the international standards, colorist testimonials, research data, and studio policies.  Industry standards, studios and professionals reject the simplistic “HDR = Brighter + More Colorful” claim. The “Brighter, More Colorful” Fallacy QUOTE: “When the first... Continue Reading →

What If We Were To Accept Yedlin’s Framing?

While our previous analyses rejected Yedlin’s non-standard terminology, we’ll now show that even if we were to accept Yedlin’s framing of BT.1886 as a complete color space comprising Rec.709 color primaries, D65 white point and transfer function, his claims are still untenable.  As Yedlin's presentation explicitly anchors its claims to the official ITU and SMPTE... Continue Reading →

BT.1886 Color Space Conflation

The Standard: ITU-R BT.1886 defines only a reference Electro-Optical Transfer Function (EOTF). No white point. No color primaries. The Claim: Despite this, color scientist Charles Poynton states: "BT.1886 already has primaries, D65, and [an] EOTF," making it a full "DISPLAY colorspace." Charles Poynton, PhD | LinkedIn comment The definition: As defined by ISO 22028-1, a... Continue Reading →

CineD Asks Question Answered A Decade Ago

CineD's piece, "Has RAW Video Finally Gone Mainstream?,” is baffling: did they just wake up from a coma? RED introduced the RED ONE, which recorded their proprietary REDCODE RAW format, back in 2007. Canon's been offering raw in their cinema camera lineup for nearly a decade. Blackmagic defined affordable raw cinema cameras starting in... 2012!... Continue Reading →

Open Challenge: Clarifying Color Spec Terminology

🏆 OPEN CHALLENGE: Clarifying Color Spec Terminology (A good-faith effort to align our industry with standards) From “Don't repeat these mistakes about color spaces and HDR: insights from the demo "Debunking HDR" by Steve Yedlin (Part 2),” by Daniel Bañuelos Cuéllar. I’m offering 2 hours of 1:1 consultation (HDR workflows, color science, or post strategy)... Continue Reading →

Why We Can’t Stay Silent

Estamos cansados—tired of the gaslighting. But silence lets misinformation win. This breakdown helps you recognize manipulation tactics corrupting our industry. Naming them is professional accountability, not personal attack. Tactic: Scapegoating Tools “Ideally, standard naming should make communication simpler. But I get how challenging it is to maintain clarity while evolving the standards themselves. What I... Continue Reading →

Why Is This Person Even Allowed Near A TV?

Kevin Miller, President of ISFTV: Display & Video Source Product Development Consultant and ISF Calibrator and Level III Instructor for the Imaging Science Foundation, doubted me when I said that my Sony A95L QD-OLED TV had atrocious artifacts when playing Dolby Vision content, writing; “I have calibrated at least 20 Sony A95Ls and not seen... Continue Reading →

Team 2 Films Leon Barnard Blunder Fest

Leon Barnard, a certified Blackmagic Design trainer and host of Team 2 Films, a YouTube channel with over 76K subscribers, continues his track record of passing along bad advice and misinformation. Last year, he claimed that ARRI Log wasn’t suitable as a timeline color space and implied that commercial program material is mastered in BT.2020.... Continue Reading →

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