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Blog Category: Broadcast AV

Posted by: Steve Lampen on October 19, 2012

As you know, I do a lot of tradeshows. (A couple of years ago, I managed to attend 103 tradeshows in one year and spoke at 74 of those.) Well, one of these shows was LDI, Live Design International. If you know anything about LDI, you might wonder why Belden is there. This is mostly a theatrical lighting show. Sure, over 20,000 people show up. But Belden doesn't make a lot of those large gage lighting cables (we actually do in our Industrial line). ). The whole thing started a few years ago when I was invited by Javid Butler (now of Traxon Technologiesto give a presentation to the ESTA group. They were in the throes of moving from DMX-512 (which we would call RS-485) to Ethernet for lighting control. So I gave a presentation, and they all said I should show up at LDI.

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Blog Category: Broadcast AV

Posted by: Werner Eich on October 11, 2012

Brand marketers have seen the effectiveness of traditional TV spot advertising fall in recent years. The growth of sponsorship as a marketing tool is one consequence of this trend. However, sport must compete for sponsors’ money with other forms of content such as music, the arts and cause-related marketing, each of which offers a compelling alternative. Total viewer figures are what count when TV channels try to sell their advertising package to brand marketers, and sports are the number one supplier of viewers. On the other hand, the sports world needs to attract a large number of viewers to be important for the broadcasters. Each country has its own favorite sports: Bull-fighting is Spain-only. Handball and Horse-Racing aren’t attractive in Scandinavian countries, where they prefer Ice Hockey and Ski-Jumping. The most attractive sports in the EMEA region are Football, Rugby, Formula One Racing, Tennis, and Golf. The Summer/Winter Olympics and Football European/World Cup bring all countries together in one place.

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Blog Category: Broadcast AV

Posted by: Steve Lampen on September 20, 2012

We recently received a letter from Jim Schultz in Warren, CT and thought we'd share:
Morning Steve,

I have been meaning to write for almost a year now to extol the virtues of this excellent microphone cable.

30+ years ago, when I was doing broadcast and remote work aside from my "regular" job of air personality, production director and assistant CE for an AM/FM combo here in Western CT, I decided to bite the bullet, spend some money, and make up some microphone cables that would last for a while. I bought a 500 foot roll of 8412, a bunch of Switchcraft XLRs, and went to work making up 10 fifty footers.

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Blog Category: Broadcast AV

Posted by: Werner Eich on September 18, 2012

When we exhibited for first time at IBC – 15 years ago now – many broadcast engineers preferred proprietary hardware, because it was built specially for the broadcast industry and therefore perceived to be more reliable. Content was produced for one single channel and there was a format that was working well. At today’s IBC, we see instead a lot of IT-based solutions, and there are two main drivers behind this. First, the way the audience views TV content changed. Viewers nowadays are able to watch linear TV on four types of screen: 1) TV; 2) Computer/Laptop/Tablet; 3) Mobile phone; 4) Giant screens/ Public viewing. That means broadcasters are competing in a multiscreen and multiplatform environment. Second, IT infrastructure provides an open framework for managing media, processes and multiple workflows, with the potential for greater productivity, increased efficiency and more agile and profitable operation.

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Blog Category: Broadcast AV

Posted by: Steve Lampen on September 13, 2012

A lot of organizations talk up a storm about "educating their customers" but I have to take my hat off to the SBE (Society of Broadcast Engineers) who really do put their money where their mouth is. And one of the unique things they do is the Ennes Lecture Series. A half-dozen times each year, they show up at a city and give an intense all-day series of presentations about broadcast. And these lectures are stuff you can actually use. I know it's true because, at the end of the day, the audience won't let the speakers leave and discussions continue long after the "bell has rung." I'm one of those speakers and I try very hard not to miss any of these speaking opportunities. It's rare to find an audience this eager and motivated.

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Blog Category: Broadcast AV

Posted by: Steve Lampen on August 30, 2012

When it comes to tradeshows and presentations, there are two busy times of the year. March-April-May, with the NAB show in the middle of that, and September and October. On September 5th at SBE Chapter 68 in Birmingham, Alabama, I will speak about "10 Gigabit Networking for Audio and Video Applications." You can check out the details by searching for Birmingham, Alabama in the 'chapters' section at www.sbe.org. Would love to see you there.

If you're on the other side of the pond, IBC, the second largest broadcast tradeshow (after NAB) happens September 7-11 at the RAI Center in Amsterdam. We will be showing all our new products, including some made in Europe specifically for our European market. You can find us in Hall 1, Booth C21.

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Blog Category: Broadcast AV

Posted by: Steve Lampen on August 27, 2012

If you play with coax, short for coaxial cable, you probably know this it is available in a number of different impedances. The most common is 75 ohm, like video cable or antenna cable, but in fact our products range from 32 ohms up to 124 ohms.

Why all these different numbers? It's not an accident of course, and there is a reason for each one. Today, we're going to take a quick look at 50 ohm coax cable.

Belden makes hundreds of 50 ohm cables, including a whole line of ultra-low loss versions (Belden 7805 to Belden 7977). The two largest versions (Belden 7976 and 7977) are shown in the photograph below. They are HUGE. The 7977 has a diameter of .600" six-tenths of an inch! This is the largest coax cable that Belden makes.

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Blog Category: Broadcast AV

Posted by: Steve Lampen on August 09, 2012

Almost everyone has hooked up a speaker to an amplifier. Two wires from each speaker to two terminals on your amplifier or receiver. If this was in your home, you probably didn't think about how far this cable would go. Likewise, you probably didn't think about how much power you were losing on the cable. The table below is from the Belden website and shows how far you can go before you get to a specific loss.

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