Power Over Ethernet

  • Posted by Simon Byrne
  • On July 11, 2019
by Simon Byrne. Show control systems are merging and moving onto data networks. Loosely speaking, audio, lighting and certainly video rely on TCP/IP networks of some sort. This means the devices on both ends of a link require power. This is delivered by an external power source, usually a wall-wart unless a device requires a […]
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Can I Have Full House Lights Please?

  • Posted by Simon Byrne
  • On June 28, 2019
By Simon Byrne. This should be an easily answered question but as I travel from venue to venue, I’m constantly amazed how good house event IT infrastructure is thwarted by terrible design and implementation. Let me give you a few examples: Example One I’m doing a corporate event for a thousand people in an upstairs […]
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The Freelance Tech – The Right Structure

  • Posted by Simon Byrne
  • On June 24, 2019
by Simon Byrne. I’ve been in this industry for a while and I’ve noticed those who are still in the business from the time when I started fit into two categories – The Haves, and the Have Nots! The Have Nots are the ones I worry about. These are the people who after many years […]
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Signal out of the Noise

  • Posted by Simon Byrne
  • On May 30, 2019
by Simon Byrne. I’ve done a few radio courses in my time. I hold an electronic trades certificate, Marine Long Range Operator Certificate of Proficiency, Aeronautical Radio Operator Certificate (AROC) and I even got a foundation level ham radio licence (VK1FBDA). If there is one thing I have learnt, it is that in order to […]
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The Politics of Wireless

  • Posted by Simon Byrne
  • On May 16, 2019
by Simon Byrne. Recently I was intrigued to see a post on the Live Sound Engineers Facebook page complaining that a major venue would not free up some wireless frequencies, so as to permit a freelance audio recordist to record a gig in that venue for a podcast. The implication being that the venue had […]
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THE WORLD BEFORE DIGITAL PIXELS

  • Posted by Simon Byrne
  • On April 26, 2019
by Simon Byrne. BEFORE DVI, HDMI, SDI AND VIDEO OVER IP, WE OPERATED STRICTLY IN AN ANALOGUE WORLD. All video signals and displays were analogue. We didn’t talk pixels. We were more interested in “horizontal scan rate”, cable, distribution and amplifier bandwidth, as well as voltage loss in the cable runs. I got into this […]
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SIGHT AND SOUND – KEEP IT OUT OF SYNC

  • Posted by Simon Byrne
  • On April 12, 2019
by Simon Byrne. THAT’S RIGHT, OUT OF SYNC. AT LEAST FROM AN AUDIENCE PERSPECTIVE. There has been a lot of research done by the hearing aid industry to improve intelligibility for hearing aids. Some of that research can be applied to live events The really interesting thing that came out of the research, is that […]
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NETWORKING – THE CABLES

  • Posted by Simon Byrne
  • On March 29, 2019
by Simon Byrne. IN THIS PIECE WE’LL DISCUSS THE CABLING FOR A ROBUST IP NETWORK IN A SHOW ENVIRONMENT. IF YOU WANT TO GET GEEKY WITH IP ADDRESSES, SUBNETS, DHCP SERVERS AND THE LIKE, CHECK OUT MY PREVIOUS ARTICLE “MISSION CRITICAL SHOW NETWORKS” IN CX118 (SEPT 2016). It is rare to see an analogue multicore […]
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MISSION CRITICAL SHOW NETWORKING

  • Posted by Simon Byrne
  • On March 28, 2019
by Simon Byrne. THE LIVE PRODUCTION AND PRESENTATION INDUSTRY RELIES ON EXTREMELY RELIABLE DATA NETWORKS TO DELIVER OUR SOUND, LIGHTING AND VISION CONTENT. THE DAYS OF LARGE ANALOGUE (AND HEAVY) MULTICORES ARE GONE. THIS CAN BE SCARY FOR THOSE OF US WHO HAVE BEEN AROUND FOR A WHILE. THE CONCEPT OF TRANSPORTING ALL OF OUR […]
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NETWORK LAN SCANNING: SEE WHAT’S GOING ON

  • Posted by Simon Byrne
  • On March 21, 2019
by Simon Byrne. WHEN DIAGNOSING PROBLEMS WITH YOUR SHOW LOCAL AREA NETWORK, A LAN SCANNER IS AN INDISPENSABLE TOOL. LAN scanners are programmes that pings all the IP addresses on a LAN. A ping is a basic network command that allows a user to verify that a particular IP address exists, and can accept requests. […]
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