joseph cornwall

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A Guide to Legrand USB Hubs, Adapters and Extenders

- USB continues to evolve and will soon become one of our most powerful connectivity technologies, driving some of the most profound changes in the communications industry will ever see. Over the past few weeks we have been discussing the wide variety of USB connectivity solutions from C2G, a Group Brand of Legrand North America. This week we will take a closer looks at USB Hubs, Adapters and Extenders. USB Hubs USB hubs come in a number of configurations and form factors. A couple favorites for…

A Guide to Legrand USB Solutions: 2.0, 3.0 and Mobile Device Cables

- USB continues to evolve and will soon become one of our most powerful connectivity technologies, driving some of the most profound changes in mobile integration the communications industry will ever see. A few weeks ago we began discussing the wide variety of USB connectivity solutions from C2G, a group brand of Legrand North America. This week we're taking a closer look at some of the most popular USB 2.0, SuperSpeed 3.0 and Mobile Device cable solutions. USB 2.0 Cables Legrand standard A/B USB…

A Guide to Legrand USB Connectivity Solutions

- Universal serial bus has been with us for so long, and has established such as extensive market penetration, as to have become nearly invisible. The power of that tiny connector rarely intrudes on our more challenging considerations we associate with the business of ongoing technological evolution. Aldous Huxley said “Most human beings have an almost infinite capacity for taking things for granted.” We almost certainly take the ability to charge our smartphones nearly anywhere for granted. W…

A Performance Hack For Google’s Chromecast Audio

- Several months ago Google released a new product that grabbed my attention almost immediately. It’s called the Google Chromecast Audio. It’s a little puck that can connect just about any audio system to the web, delivering the near unimaginable riches of streaming music and radio. If you know me, or have followed my posts, articles and blogs, then you probably know that I consider myself an audiophile. In many ways it was the quest for a better listening experience that brought me into this…

A Guide To DisplayPort Connectivity Solutions

- DisplayPort is a digital display interface standard developed by the Video Electronics Standards Association (VESA). It’s specifically designed for the transfer of video, audio, and data between a source and sink. DisplayPort has replaced LVDS on essentially all computers because of its rich feature set and its compatibility with HDMI and HDCP technologies. DisplayPort was included in about 1-in-20 of the commercial desktop and 1-in-50 laptops as of 2009. Today, DisplayPort is found on more t…

A Guide To Desktop Video Connectivity Solutions

- Once upon a time it was easy to understand audio and video connectivity. Consumer products used an RCA connector (one for composite, three for component, and we won’t mention S-Video) and commercial products used BNC connectors (one for composite, five for RGBHV and we won’t mention S-Video). That pretty much summed it up for decades. That is with one glaring exception. The computer. Both laptop and desktop computers needed something a bit more compact and with some advanced capabilities, s…

A Guide To C2G Digital Video Connectivity Solutions

- There are as many ways to connect AV devices as there are imaginations involved in the AV industry! Quite often we think of DVI-D, HDMI or HDBaseT as mutually exclusive choices, but the truth is that all those connectivity solutions are transporting essentially the same content. Picking just one solution from the industry’s entire menu of possible connections is far less effective than defining the parameters surrounding the needed link and then finding the solution that satisfies those parame…

High Tech On The Rails – AV Meets The Whistle Stop Safety Train

- Every once in a while life hands you a wonderfully unexpected surprise. When Stephen Koehle of Lightner Electronics reached out to me to ask if I wanted to check out the A/V installation on the Norfolk Southern Whistle Stop Safety Train, I knew one of those surprises was at hand! Norfolk Southern teamed up with Operation Lifesaver to spread the word about railroad safety with a special three-day, 354-mile trip across Ohio. Nationwide someone is hit by a train roughly every three hours, and Nor…

Simple Design Tricks to Ensure Dependable USB Operation

- USB is a critical connectivity path for AV system operation today, but the USB system, as we know it, wasn’t originally envisioned as a technology for a systems integrator’s toolbox. Universal Serial Bus (USB) was the result of an effort to standardize both the plug-and-play capability and the connectivity of computer peripherals. The Universal Serial Bus system was developed about two decades ago by team consisting of Intel’s Ajay Bhatt along with Bala Cadambi, Shelagh Callahan, Shaun Knoll a…

Unusually Usual USB Connections

- Martina Horner is a psychologist known for pioneering the concept of “fear of success”. Her research focuses on intelligence and motivation. She has this to say about learning; “What is important is to keep learning, to enjoy challenge, and to tolerate ambiguity. In the end there are no certain answers.” Martina should have been in the AV industry. In this industry, at just about the time you think you’ve got something figured out along comes an ambiguous challenging learning moment for whic…

Industry Training from the Industry’s Best! Yes, Please!

- “The future success of our industry hinges upon the preparedness and training of its member.” This statement was made by our very own Technology Evangelist that creates and delivers our certified webinar courses, Joe Cornwall. (You may know him from his articles for leading industry publications or his podcast he delivered on behalf of InfoComm or even his trainings sponsored by InfoComm and BICSI.) He obviously believes in the importance of continued education and so does C2G, which is why w…

MHL — Connecting More Than One Billion Mobile Devices

- Learn About This New Mobile to Display Technology This is the fourth post in a four-part series called "Emerging Technologies That Will Shape the Next 5 Years." Mobile High Definition Link (MHL) is an HD video and digital audio interface for connecting mobile phones and portable devices to HDTVs and other display devices. The MHL standard was created by the MHL consortium, an industry group comprised of Nokia Corporation, Samsung Electronics Co., Ltd., Silicon Image Inc., Sony Corporation and To…


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