In Broadcast June 2012 - 38


WWW.INBROADCAST.COM | ISSUE 9 - JUNE 2012

InMEDIA

Programming Perfection − The AdderLink Infinity Dual
By John Halksworth, Product Manager, Adder Technology
John Halksworth Adder Technology

38

When the UK and Ireland follow the rest of Western Europe and the US to complete their transition from analogue to digital television broadcasts, many viewers will be expecting higher quality pictures and sound. Some will even use the opportunity to upgrade from SD to HD, and all the benefits it provides. Similarly, while we are nowhere near switching off analogue radio signals, more and more users are buying digital receivers to gain a greater quality of sound. As such, broadcasters need to ensure that what they produce is technically of the best possible quality, or risk detracting from the programming produced, leaving audiences to look elsewhere for information and entertainment. To achieve this, programme makers need to utilise powerful IT systems that ensure content creation and broadcast is achieved as smoothly as possible. However, many are still using multiple in-studio computers, all individually operated via their own screens, keyboards and mice. This has several disadvantages that can affect the quality of a production, such as clutter in the studio, increased complexity for operatives, as well as noise and heat from the computers creating an uncomfortable and distracting environment. A partial answer is to employ a keyboard, video and mouse (KVM) unit, but these can only extend access to one computer. At Adder we have taken a different approach, utilising the existing Ethernet most modern broadcasters have installed as standard. The AdderLink Infinity and the AdderLink Infinity Dual offer KVM functionality, making use of IP over fast Ethernet to escape the limitations of more simplistic point to point cable extension solutions. This enables the solution to carry

DVI digital video along with keyboard, mouse and peripheral d a t a . Alongside spatially l o s s l e s s digital video, it provides additional bidirectional audio together with an RS232 communications path. For i m p r o v e d ease of use, the AdderLink Infinity and the AdderLink Infinity Dual have full USB peripheral support, for a removable storage device, such as a flash drive. Inside the AdderLink Infinity box all these signals are multiplexed and packetised so they can be sent as IP over Ethernet. Additionally, the AdderLink Infinity can talk to any processor box, enabling the connection of an unlimited number of users to an unlimited number of computers. Our first aim when designing the AdderLink Infinity was to create pixel perfect reproduction, whatever the size and resolution of the screen, which means capturing the 24-bit colour depth in DVI format. The AdderLink Infinity Dual, uses two DVI ports to provide double the capacity, either for dual head set-ups or for very large dual link screens such as the Apple Cinema Display. To ensure that the possible 5Gb/s generated from this did not drain network resources, we implemented a series of encoding technologies that fit the data into a 1Gb/s link while remaining spatially lossless. Second, to ensure compression and IP packetisation happens instantaneously, the AdderLink Infinity box uses a bespoke

AdderLink Infinity Dual receiver RX

processing architecture which achieves a low latency link, imperceptible to the user. A linked aim was that the box had to be able to accommodate the very high powered processing while naturally dissipating the heat generated. As such the units were designed to be low powered, fan-less and so silent in operation. Configuration management for the AdderLink Infinity is the AIM (AdderLink Infinity Manager) software, which sits on the network and automatically sets up the transmitter and receiver modules. An administrator can control the network from any workstation, tablet or even smart phone over WiFi. Set-up is through a web browser, and an open API is available allowing automation systems to access and control AIM switching. The innovative channel concept delivers a combination of video, audio, USB and serial data, but it need not all come from a single computer. A user in a master control room could use this to look at what is going on in another area – an edit suite, perhaps – while still listening to programme audio or talkback, for example. The unique channel presets enable a user to setup multiple workstations using the click of a button. This has great application in studio gallery scenarios where at

AdderLink Infinity Dual

different times of the day, different teams may be at work. For example, a news gallery delivering control for a prime time programme will have a much larger team at work than the same gallery controlling news updates through the night. Presets deliver this customisation instantly and intuitively. The ability to connect any workstation to any processor is the great strength of the system, because it creates a new flexibility in the way operations can be organised, giving the options to the people rather than being dominated by the technology. Another benefit of using the AdderLink Infinity system is that projects can be kept secret by keeping them on discrete computers but still making them available in any area as necessary. The unique high-speed KVM over IP technology developed for the AdderLink Infinity and AdderLink Infinity Dual keeps working areas clear, calm and quiet. As the solution is highly flexible and pixel perfect, the obvious benefits are in opening up new workflow configurations which can ensure broadcasters can produce high-quality programming with the minimum of effort. ■


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Table of Contents for the Digital Edition of In Broadcast June 2012

In Broadcast 6/12
Contents
Innews
Inview: Workflows Alter Post
Inaudio: Communications & Talkback Systems
Insound Glensound Hd Voice
Insound-the Loudness Control Dilemma
Inmedia: Networking in the Cloud
Inmedia Programming Perfection – the Adderlink Infinity Dual
Inmedia Cloud Station?
Instudio: Dynamic Supports
Ingear: Protective Bags & Cases
Inmedia Hd/sd Media Newsroom Has Global Presence
Inreply Argosy Has the Answers
Inreview Koba Serves Up Latest Kit
Infocus Oxygen Upgrades Sports Production Galleries
Infocus Newtek Unveils Next Generation Tricaster Family
Inform Tvu Networks on Video Stability
Inform Higher Frame Rates the Latest Hot Tech Fad?
69 Intest Omnitek Enhances Otm/otr Software
In Broadcast June 2012 - In Broadcast 6/12
In Broadcast June 2012 - 2
In Broadcast June 2012 - Contents
In Broadcast June 2012 - Innews
In Broadcast June 2012 - 5
In Broadcast June 2012 - 6
In Broadcast June 2012 - 7
In Broadcast June 2012 - 8
In Broadcast June 2012 - 9
In Broadcast June 2012 - 10
In Broadcast June 2012 - 11
In Broadcast June 2012 - 12
In Broadcast June 2012 - 13
In Broadcast June 2012 - 14
In Broadcast June 2012 - 15
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In Broadcast June 2012 - 17
In Broadcast June 2012 - 18
In Broadcast June 2012 - 19
In Broadcast June 2012 - 20
In Broadcast June 2012 - 21
In Broadcast June 2012 - 22
In Broadcast June 2012 - 23
In Broadcast June 2012 - Inview: Workflows Alter Post
In Broadcast June 2012 - 25
In Broadcast June 2012 - Inaudio: Communications & Talkback Systems
In Broadcast June 2012 - 27
In Broadcast June 2012 - 28
In Broadcast June 2012 - 29
In Broadcast June 2012 - Insound Glensound Hd Voice
In Broadcast June 2012 - 31
In Broadcast June 2012 - Insound-the Loudness Control Dilemma
In Broadcast June 2012 - 33
In Broadcast June 2012 - Inmedia: Networking in the Cloud
In Broadcast June 2012 - 35
In Broadcast June 2012 - 36
In Broadcast June 2012 - 37
In Broadcast June 2012 - Inmedia Programming Perfection – the Adderlink Infinity Dual
In Broadcast June 2012 - 39
In Broadcast June 2012 - Inmedia Cloud Station?
In Broadcast June 2012 - 41
In Broadcast June 2012 - Instudio: Dynamic Supports
In Broadcast June 2012 - 43
In Broadcast June 2012 - 44
In Broadcast June 2012 - 45
In Broadcast June 2012 - 46
In Broadcast June 2012 - 47
In Broadcast June 2012 - Ingear: Protective Bags & Cases
In Broadcast June 2012 - 49
In Broadcast June 2012 - 50
In Broadcast June 2012 - 51
In Broadcast June 2012 - 52
In Broadcast June 2012 - 53
In Broadcast June 2012 - Inmedia Hd/sd Media Newsroom Has Global Presence
In Broadcast June 2012 - Inreply Argosy Has the Answers
In Broadcast June 2012 - Inreview Koba Serves Up Latest Kit
In Broadcast June 2012 - Infocus Oxygen Upgrades Sports Production Galleries
In Broadcast June 2012 - Infocus Newtek Unveils Next Generation Tricaster Family
In Broadcast June 2012 - 59
In Broadcast June 2012 - 60
In Broadcast June 2012 - 61
In Broadcast June 2012 - 62
In Broadcast June 2012 - 63
In Broadcast June 2012 - Inform Tvu Networks on Video Stability
In Broadcast June 2012 - 65
In Broadcast June 2012 - 69 Intest Omnitek Enhances Otm/otr Software
In Broadcast June 2012 - 67
In Broadcast June 2012 - 68
In Broadcast June 2012 - 69
In Broadcast June 2012 - 70
In Broadcast June 2012 - 71
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