Electronic Visualization for the Next Century

Pete-Head-Shot-JULY-2012
  • There’s More To The Story (There Always Is!)

    April 18, 2017

    A couple weeks ago, I posted a story about a particularly irritating problem I was having with my high-speed Comcast internet service dropping out. After lots of troubleshooting, I thought I had cornered the culprit – a Samsung-manufactured set-top box that Comcast was using for delivery basic Xfinity services (no DVR). When I connected the cable TV input connection to a spectrum analyzer, I saw some pretty nasty burst of spectral noise that ranged from 11 MHz all the way up to 400 MHz. I figured this might have been the cause of the dropouts and promptly returned it to the local Comcast Store, only to find out that particular model wasn’t in use any more and that I’d have a much smaller, flatter version to take home – one that would link automatically to my main X1 DVR. Coincidentally, the dropout problem stopped, so I did what any other reasonable person would do: I assumed that was the end of it. Except it wasn..Read more

Ken---cropped
  • 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