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Bob Dylan was riding a crest of social change when he wrote those lyrics in 1963. But the words popped back into my mind as I thought about several recent conversations with friends who complain of their struggle to stay afloat in today’s video production business.
The rg color space served to document the chromaticity gamut of the HVS, and so was a great step forward in understanding color and color vision. However, it was based on a certain set of primaries. As no set of primaries can embrace the whole of the HVS gamut, it is inevitable that the color matching functions have negative excursions. The CIE set out to remedy that by taking the color matching experimental data and representing it in a different way. The color space they developed is a cube having three orthogonal axes, X, Y and Z. The white point was defined as the equal energy point, otherwise known as Illuminant E (for equal).
The use of photorealistic technology is changing the way broadcasters are looking at virtual sets. Now it is possible to create scenes that are indistinguishable from reality, which provides excellent new possibilities for enhancing storytelling.
Sound engineers have spent over twenty years implementing and improving audio over IP systems. This has given audio a head-start in the race to migrate to IP. Not only does the sound seamlessly transfer across networks but recent designs have propelled advances in security, integration, and control.
The push to create the ideal digital cinematography camera has now been going on for, arguably, two decades. There were a couple of standout attempts in the 1980s involving high definition tube cameras, but the introduction of Sony’s HDCAM tape format in 1998 served more or less as the starting point of recognizably modern digital cinema. Since then, a huge effort has been made to meet the standards of a century of conventional, photochemical moviemaking. Arguments about whether that’s been achieved, or ever will be achieved, seem likely to rage forever, but in 2019 there seems at least some interest in going way, way beyond (some parts of) what 35mm film could ever do. The question is why.
In the fourth and final part of this series, we wrap up with an explanation on how PTP is used to support SMPTE ST 2110 based services, we dive into timing constraints related to using COTS (Commercial Off-The-Shelf) hardware, i.e.: servers.
People have been making pictures for both the big and small screens for almost a century. In an industry with a history that long, it’s no surprise that the perpetual search for something new has long been tempered by a certain respect for tradition. Or, to put it another way, directors of photography are very often looking for ways to make pictures look different, and different in a way that’s somehow appropriate.
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Every three to five years, government delegations from around the globe gather at the Radiocommunication Assembly (RA) and World Radiocommunication Conference (WRC) conducted by the International Telecommunications Union (ITU) — the United Nations (U.N.) specialized agency for information and communication technologies. Their mission is to review emerging technologies, negotiate use of radio frequencies (RF) that enable wireless devices, harmonize frequency bands to specific applications, and codify binding international treaties.
