In Broadcast June 2012 - 34
WWW.INBROADCAST.COM | ISSUE 9 - JUNE 2012
InMEDIA
Cloud Networking And Computing Updates
David Kirk examines the changing face of broadcast industry storage
Nearly a decade ago, a young FPGA designer of my acquaintance responded to the buzz about broadcast industry metadata with the comment: “Why all the excitement? We have been processing data-about-data that way for years.” The same can be said of online information storage, or storage on ‘the cloud’. As a concept, it dates back exactly 30 years to the publication of Internet standard RFC 821 (Simple Mail Transfer Protocol) for accepting, holding and forwarding email. From then onward, local and cloud-based media asset management became routine for millions of computer users in both their working and domestic lives. A key virtue of email, easily overlooked, is that every communication and attachment remains in storage until the recipient deletes it. Okay there are other hazards such as allowing a service-provider’s subscription to lapse (if you chose the wrong service) or falling victim to suboptimal local area network. The most reliable email services, such as Google’s Gmail, are essentially free if you don’t mind the ads. Gmail currently provides 10GB of storage per account name and incorporates very fast content search. So 10GB is a lot of capacity for text and still-images, documents or PDF attachments. But it would soon be eaten up by anyone wanting to forward, let alone store, digital video or audio files. This kind of data is usually transferred directly from the source recording device to a post-production editor, nowadays typically a standard-issue computer r u n n i n g Apple OS-X or Microsoft Windows plus the owner’s choice of media manipulation software. More a c c u r a t e l y, and a lot more safely, such data is stored on one or more rigid magnetic qtube multisite disk drives attached to the edit computer either directly or via a LAN. If the content is vitally important, it will be stored on at least two separate devices to safeguard against mechanical failure or accidental deletion.
David Kirk
Cloud-Based Storage
Two factors have recently made online or ‘cloud-based’ data storage a very attractive option. Firstly the fast upload and download speeds now possible over standard internet links and, very noticeable at NAB 2012, the addition of internet connection ports to a very wide range of signal capture, routing and processing devices. State publicservice broadcasters in many countries already lease optical
countries have already reached the point where video and audio files can be sent back to base, or to an intermediate editing site, as attachments to ordinary email. This has resulted in a surge of online video storage services offering to rent out space on their servers, many of them free. A small number of more canny storage facility providers offer a secure large-scale service to content producers and broadcasters. Like
34
Figure 1. Content may be generated and stored in diverse locations - it must be accessible to anyone, anywhere. (Images courtesy of Quantel)
fibre lines from their respective national telephone companies, linking regional studios and in many cases an emergency backup studio. This is starting to change with the adoption of video compression codecs connected to internet protocol networks as the basis of video-over-IP links: a much cheaper and very versatile option provided the connection is reliable and not too congested. Like a public motorway, a standard internet connection is a shared resource with no inherent safeguard against traffic congestion. Hence the popularity of commercial services such as Sohonet. Established in 1995 by a group of Soho-based postproduction houses, Sohonet offers fast and secure data delivery via its London fibre ring. Subscribers to this service include various major UK film studios as well as many central London post-production companies. Aside from news and sports, the majority of programme-production and post-production projects are not severely time-critical. Internet speeds in many industrialised
financial banking services, these will have to prove their trustworthiness before being considered safe and acceptable by the broadcast industry as a whole. This is an area likely to be addressed directly by existing television playout facilities as an extension of their current services. Many broadcasters are currently migrating from tape-based to filed-based studio operation and are ideal potential customers for this kind of service, both as an archive for source clips and played-to-air content.
Cloud-Based Post
An inevitable extension of cloudbased content storage is the option of collaborative post-production. This is already being promoted by Quantel with its QTube (Figure 1) which is designed to allow metadata editing, content downloads and even frame accurate editing via the internet, with low latency and full security. To quote the blurb. “QTube removes the geographical limitations on working with media
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In Broadcast June 2012
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
In Broadcast June 2012 - 16
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
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