Electronic Visualization for the Next Century

  • Broadcast TV Spectrum Repacking: The Devil Is In The Details

    March 13, 2017

    The FCC has concluded its spectrum auction, and although the winning bids generated only about ¼ of what was expected, plenty of TV stations will be moving to new channels. But there’s a catch. And you probably won’t be happy when you hear about it. Currently, the majority of TV stations broadcast in the UHF television spectrum from channels 14 to 51. Another smaller block of stations use the high band VHF channels (7 through 13) while fewer than 50 stations transmit on low band VHF channels (2 through 6). That is certainly going to change, as it appears all UHF TV channels above 37 will be re-allocated for a variety of services, including Wi-Fi, mobile phones, and a bunch of other “white space” operations. There may even be a few TV stations still mixed in with these services, and we won’t know how broadcasters will be re-packed until early April. Finding new channels for broadcasters who gave up their channels in return for some nice cash will be a pain in the ..Read more

  • Two Keys to Optimal HDR TVs: Dynamic HDR Metadata and Tone Mapping

    February 28, 2017

    The Society for Information Display LA Chapter held its 14th annual One-Day Conference on February 3, 2017 at the Costa Mesa Country Club in Costa Mesa, California. At the conference, Gerard Catapano gave a presentation entitled “HDR, Today into Tomorrow.” Catapano, formerly Associate Director of Electronics Testing at Consumer Reports and now Director of Quality Assurance at Samsung's QA Lab in Pine Brook, New Jersey, introduced high dynamic range (HDR) as “the latest and most innovative technology that helps film studios deliver a better expression of details in shadows and highlights to the consumer.” He presented the Consumer Technology Association’s definition of an HDR-compatible display as one that has at least these four attributes: • Includes at least one interface that supports HDR signaling as defined in CEA-861-F, as extended by CEA-861.3. • Receives and processes static HDR metadata compliant with CEA-861.3 for uncompressed video. • Receives and pro..Read more