In Broadcast - July 2012 - 59


ISSUE 10 - JULY 2012 | WWW.INBROADCAST.COM

InTECH
Satellite Uplinks: Far From Static Cont.
provides for French League soccer contributions and which SIS Live delivered for ESPN and ITV’s coverage of the 2012 FA Cup Final. by a terrestrial fibre optic ring. There’s a further benefit too. Since the NewsSpotter terminal is bidirectional, it can transmit and receive at the same time, using separate frequencies for the uplink and t h e d o w n l i n k , Fibre Interfaces s o m e t h i n g not possible in most current SNG systems. “File-based technologies have revolutionised newsgathering from camcorder recording, to offline editing over laptops in the field,” says Benzi. “IP contribution by KASAT provides the missing piece in the workflow.”

Fibre Space
As venues are refurbished or built on green field, fibre plays a significant role in stadium connectivity, reports Paul Scardino, VP, Corporate Sales and Marketing, Globecomm Systems. “As a result, we’ve seen some drop in space segment rates,” he says. “Weather is also a factor, particularly with lower budget productions that may be up-linking KU band only, in which case fibre is a reliable standby option. Traditionally, fibre transport has been the back-up and satellite the primary. For high profile events, it is common to see a C Band HD uplink with a back-up SD KU uplink, along with an alternate HD fibre connection. With transport advancement, H.264 MPEG 4 and the like, it gives fibre a better transport path due to bandwidth reduction. This easily puts fibre alongside with satellite transport.” News bulletins by satellite have traditionally used frequencies in the Ku-band, but a new frequency range, the Ka-band, is coming on stream promising twice the frequency of Ku and the ability to deploy smaller, cheaper, SNG trucks. “The benefit of Ka is that it enables you to build a certain sort of architecture which drives down cost per bit,” explains Eutelsat’s Head of Video, Cristiano Benzi. “Ka ‘per se’ is not the magic ingredient, it’s how you use it that is important.” Eutelsat’s KA-SAT is the first European satellite with multibeam coverage in Ka-band. Throughput to Eutelsat’s NewSpotter system is boosted via the satellite’s 82 beams while the size of each beam enables a much higher concentration of power on the ground (up to 20 Mbit). The system is augmented by a series of earth stations, interconnected

David Meynell

“

Cell Bonding
The growing connectivity of terrestrial cellular networks (3G, 4G LTE, 4G WiMAX, and Wi-Fi) is however being tapped to provide an increasingly resilient alternative to satellite or fibre. “Mobile devices are small, cheap to use on a pay-as-you go basis and can provide immediate pictures,” says Meynall. SIS Live is trailing mobile options for a pair of broadcasters. “The downsides are that, unlike satellite, 3G or 4G is always a contended network where you can never a guarantee availability or service,” he says. “If you pitch up at a train crash, for example, there may be 20 other crews trying to use the same network.”

…broadcasters are adopting a ‘belt and braces’ approach in which fibre is backed-up with satellite trucks

”

Ka Focus
Eutelsat is not alone in targeting newsgathering. Inmarsat is building a U$1.2bn network for global coverage in the Ka band including three new satellites. Planned to launch in 2013, Global Xpress will offer downlinks up to 50Mbps and 5Mbps uplink. Each of the new satellites will carry 89 beams, which can be focused anywhere in the world. SIS Live has installed its first Ka-oriented antenna at its MediaCity teleport and Globecast is testing its first Ka-band equipped vehicle. “I would say the testing is positive but we are waiting on some new hardware to be released and approved,” informs Alquati. “Kaband offers attractive cost saving benefits versus Ku capacity although the KA-SAT system utilises satellite and terrestrial resources which incurs a component of cost. However it can offer a real solution for news coverage particularly in areas of natural disaster since it can provide interconnectivity to private networks.” Alquati is sceptical about using it for sports contribution until issues related to the ability of Kaband satellites to operate through atmospheric conditions (notably rain) are resolved. At the other end of the scale from SNG trucks are one-person operated mobile kits, ideal to get breaking news to air and a field still dominated by the Inmarsat portable satellite BGAN.

“It’s rare that a news programme would be hosted with a live feed from on-location but that scenario is frequently the case for sports and entertainment shows. When there’s an outage it gets very serious,” says Meynall. “As a result, broadcasters are adopting a ‘belt and braces’ approach in which fibre is backedup with satellite trucks.” Alquati agrees: “We first used fibre from stadia in 2003 since in metro areas, where there is deep fibre connectivity, there are concrete advantages. But with the larger bandwidth requirements of HD transmission I am not 100% convinced that a fibre-only solution is the best one. “You don’t want a single point of failure, since if anything is cut then the TX is dead,” he elaborates. “A good compromise is a solid fibre connection and satellite transmission from the same venue.” This is something which Globecast

59

Tempo Appliance

Other negatives include latency of a second or more on transmission which will only be tolerated in exceptional circumstances on-air; bandwidth limitations which drain signal coverage (again, unlike satellite) and changing patterns of 3G networks between regions. Among the pioneers are California’s Teredek and Israeli firm LiveU. The latter counts CNN, ABC, CBS, Fox News and the BBC among customers of its uplink kit which can be worn in a backpack weighing 5kg. LiveU’s technology bonds several modems together to aggregate bandwidth over multiple carriers. Using an inbuilt RF antenna this provides enough available bandwidth to transmit 1080i HD signals, captured by camcorder. “We can transmit effectively from many dead spots and areas where a specific carrier may not have adequate coverage including in
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TVU pack on the go


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Table of Contents for the Digital Edition of In Broadcast - July 2012

In Broadcast - July 2012
InNEWS
InREVIEW: BroadcastAsia Highlights
InSPORT: London Games Infrastructure
InVIEW: Fibre Optic Technology
InSOUND: What’s New In Audio Mixing
InSOUND: DIGICO RELEASE CONSOLES RANGE
InMEDIA: Automation Innovations
InMEDIA CLASS: RELIABLE APPROACH TO WORKFLOWS
InMEDIA: MARSHALLING MODERN BROADCAST OPERATIONS
InTECH: SATELLITE UPLINKS: FAR FROM STATIC
InTECH: EUROVISION SUCCESS FOR RIEDEL MEDIORNET
InFORM: MISTIKA POWERS NIKE’S 2D INTERACTIVE ADVERT
InFORM: SUBTITLING EXPLAINED
InGEAR: RYCOTE EXPANDS MICROPHONE SOLUTIONS
In Broadcast - July 2012 - In Broadcast - July 2012
In Broadcast - July 2012 - 2
In Broadcast - July 2012 - 3
In Broadcast - July 2012 - InNEWS
In Broadcast - July 2012 - 5
In Broadcast - July 2012 - 6
In Broadcast - July 2012 - 7
In Broadcast - July 2012 - 8
In Broadcast - July 2012 - 9
In Broadcast - July 2012 - 10
In Broadcast - July 2012 - 11
In Broadcast - July 2012 - 12
In Broadcast - July 2012 - 13
In Broadcast - July 2012 - 14
In Broadcast - July 2012 - 15
In Broadcast - July 2012 - 16
In Broadcast - July 2012 - 17
In Broadcast - July 2012 - 18
In Broadcast - July 2012 - 19
In Broadcast - July 2012 - 20
In Broadcast - July 2012 - 21
In Broadcast - July 2012 - InREVIEW: BroadcastAsia Highlights
In Broadcast - July 2012 - 23
In Broadcast - July 2012 - InSPORT: London Games Infrastructure
In Broadcast - July 2012 - 25
In Broadcast - July 2012 - 26
In Broadcast - July 2012 - 27
In Broadcast - July 2012 - InVIEW: Fibre Optic Technology
In Broadcast - July 2012 - 29
In Broadcast - July 2012 - 30
In Broadcast - July 2012 - 31
In Broadcast - July 2012 - InSOUND: What’s New In Audio Mixing
In Broadcast - July 2012 - 33
In Broadcast - July 2012 - 34
In Broadcast - July 2012 - 35
In Broadcast - July 2012 - 36
In Broadcast - July 2012 - 37
In Broadcast - July 2012 - InSOUND: DIGICO RELEASE CONSOLES RANGE
In Broadcast - July 2012 - 39
In Broadcast - July 2012 - 40
In Broadcast - July 2012 - 41
In Broadcast - July 2012 - InMEDIA: Automation Innovations
In Broadcast - July 2012 - 43
In Broadcast - July 2012 - 44
In Broadcast - July 2012 - 45
In Broadcast - July 2012 - 46
In Broadcast - July 2012 - 47
In Broadcast - July 2012 - InMEDIA CLASS: RELIABLE APPROACH TO WORKFLOWS
In Broadcast - July 2012 - 49
In Broadcast - July 2012 - 50
In Broadcast - July 2012 - 51
In Broadcast - July 2012 - 52
In Broadcast - July 2012 - 53
In Broadcast - July 2012 - InMEDIA: MARSHALLING MODERN BROADCAST OPERATIONS
In Broadcast - July 2012 - 55
In Broadcast - July 2012 - 56
In Broadcast - July 2012 - 57
In Broadcast - July 2012 - InTECH: SATELLITE UPLINKS: FAR FROM STATIC
In Broadcast - July 2012 - 59
In Broadcast - July 2012 - 60
In Broadcast - July 2012 - 61
In Broadcast - July 2012 - InTECH: EUROVISION SUCCESS FOR RIEDEL MEDIORNET
In Broadcast - July 2012 - 63
In Broadcast - July 2012 - InFORM: MISTIKA POWERS NIKE’S 2D INTERACTIVE ADVERT
In Broadcast - July 2012 - InFORM: SUBTITLING EXPLAINED
In Broadcast - July 2012 - 66
In Broadcast - July 2012 - 67
In Broadcast - July 2012 - InGEAR: RYCOTE EXPANDS MICROPHONE SOLUTIONS
In Broadcast - July 2012 - 69
In Broadcast - July 2012 - 70
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