HDR: Part 22 - Creative Technology - Non Standard April 1st 2021 - 09:00 AM

Read too much film and TV industry technical literature, and it’s easy to get the impression that everything about the technology is built to carefully considered specifications. As Philo Farnsworth’s wife was probably aware, though, as he tinkered with the electronics while she sat in as a test sub…

Is Gamma Still Needed?: Part 9 - Processing In Floating Point March 2nd 2021 - 09:00 AM

Floating-point notation and gamma are both techniques that trade precision for dynamic range. However they differ fundamentally. Gamma is a non-linear function whereas floating point remains linear. Any mathematical manipulations carried out on floating-point encoded data will be correct whereas manipulations of gamma-encoded luma cannot be. Gamma was intended to…

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HDR: Part 22 - Creative Technology - Non Standard April 1st 2021 - 09:00 AM

Read too much film and TV industry technical literature, and it’s easy to get the impression that everything about the technology is built to carefully considered specifications. As Philo Farnsworth’s wife was probably aware, though, as he tinkered with the electronics while she sat in as a test sub…

Timing: Part 1 - Sidereal Or Solar? March 31st 2021 - 09:00 AM

The subjects of timing, synchronizing and broadcasting are inseparable and in this new series John Watkinson will look at the fundamentals of timing, areas in which fundamental progress was made, how we got where we are and where we might be going.