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battery types. This will provide the level of portability and power options that users need. While live transmission is of course one option, store and forward in backpack units – and now handheld and laptop units too – is also vital. Fast File Transfer (FTP with multiple modes) for fast upload of pre-recorded material from anywhere into the workflow is also highly desirable; IFB (return audio channel from studio) and local recording on the transmitting unit or on externally attached storage device are also possible. A live feed is not always required. Input support from a variety of field editing and switching devices, and therefore support multi-camera productions and real-time field editing, is also possible so users should enquire about that too. video receiver should use off-the- shelf hardware with the server software supporting multiple field units simultaneously with SDI outputs, FME, WME, and H.264 streaming. In the case of SDI, the card in the server then connects to the studio switcher for routing the video in the studio. Being able to easily integrate with the growing range of CDNs/OVPs is vital. The cellular uplinking technology should support any platform that can receive an encoded RTMP feed, using Flash Media, or H.264. Alternatively, a physical SDI output should be able to be used to push video from the server to any kind of hardware-based web encoders. Flagship broadcast units need to provide flexible control. A unit should easily be able to be fully controlled by a single operator in the field using an intuitive touch-screen interface and/or an external touch-screen. Additionally, remote control should be an option from any computer or using a variety of mobile devices such as iPhone, iTouch, Android, and iPad. In order to achieve the best results quickly, the best engineered technology can help users by analysing conditions in the field and automatically recommending the most suitable video settings. As mentioned above, the cellular uplinking landscape is now changing with the story dictating what level of connectivity is required, from market-leading units that provide a satellite-like level of service all the way to smartphones that can now take advantage of the technology. This means that broadcasters can let the story define what technology is required, rather than vice versa – or indeed missing the story completely as sometimes previously happened because of the lack of deployment speed and mobility afforded by SNG units. But to take full advantage of this a broadcast facility requires a feed-handling platform that those in a master control room can use to either take the incoming content from multiple locations and devices straight to air or record to server. This is now possible from a single control ecosystem. In terms of powering units, again flexibility is key and in no way should power issues limit the use of the technology in the field. Anton Bauer, IDX and Sony V-Mount batteries are the most popular options that users should look for, with single or dual hot-swappable batteries as an integral, cable-free, part of the backpack. The cellular uplink unit should of course also be able to operate with a direct DC power supply, come equipped with a built-in ion-lithium battery, and support additional hot-swappable As previously mentioned – and as is clear from these ten points – almost anything is now possible with this technology, from a full HD, satellite- like experience to handheld, point- and-shoot on the spot to capture the completely unexpected. Not all stories are equal, so the level of technology and type of device required varies. From Tier-1 broadcasters downwards, there are so many ways of providing live video – users can precisely select the technology they require for the job at hand wherever the story is taking them. Ask for a test drive, see what works for you and dive in to the new world of live video transmission. At BVE 2013, LiveU will be exhibiting with its UK distributor Garland Partners Ltd. on stand E33, highlighting its range of products including a LU40-S handheld unit and LU70 backpack showcased using 4G. Laptop and mobile apps will also be on show. www.gpl-uk.co.uk TV-BAY MAGAZINE | 89 TV-BAY074FEB13.indd 89 11/02/2013 16:55