Electronic Visualization for the Next Century

  • AV-over-IT, Unplanned Obsolescence, and Unintended Consequences

    June 3, 2019

    The audiovisual industry, like many others, is in the midst of a big paradigm shift. That term is often beaten to death, but in this case, it’s apropos as we are redefining the process of switching and distributing audio and video signals (with control and metadata thrown in). And we’re doing it by migrating to a packet structure, using standard TCP/IP headers and streaming protocols. And we’re not alone. Broadcast, cable, and satellite video services are adopting IT-centric models for signal management, a trend that began year ago with the first streaming video services. We laughed at those early attempts, as a combination of slow networks and inefficient video compression imposed limits on image resolution and refresh rates. Remember the old jokes about “dancing postage stamps” heard at the NAB show in 1999, in the Streaming Media pavilion? Well, no one’s laughing these days. We can send 4K video with multichannel surround over fast broadband networks to multiple ho..Read more

  • All Good Things Must Come To An End…

    July 1, 2019

    It's been a great 16-year ride, but I'm shutting down HDTVexpert.com at the end of this year to pursue other interests. I'll still be contributing to Sound & Communications magazine (https://www.soundandcommunications.com/) and you can find my monthly AVent Horizon columns there. In addition, look for articles here and there on the Display Daily Web site (https://displaydaily.com/. I hope you've enjoyed perusing these pages over the years. When I started the site, HDTV was just coming into its own. Now, we're accelerating past 4K / UHDTV and 8K appears to be the next big thing. And who knows what lies beyond that? 16K? 32K? (Probably a new form of display technology that hasn't been invented yet...) Always ask better questions! (In remembrance of Chris Campbell, 1959 - 2009)..Read more