22 Monday 10.09.2012


theibcdaily D800 passes test Nikon By David Fox


The Nikon D800 full-frame 35mm DSLR is similar to its flagship D4 in offering completely clean, uncompressed HDMI output for video recording and monitoring. The output is produced at the user’s chosen image size and framerate, without the information overlay that can be simultaneously displayed on the camera’s TFT screen.


For audio it has


external stereo microphone input, headphones out, and a line input setting for PCM linear recorders.


In the frame: The Nikon D800 35mm HD DSLR


It can shoot Full HD (1080p) at 30p, 25p and 24p, with 60p, 50p and 25p options at 720p, and besides full frame


use, for the shallowest depth of field, it can also shoot video using a Super35 (APS- C) crop (for DX lenses that don’t cover the full frame).


It is about half the price of the D4, but has many of its custom controls, such as power aperture using assigned buttons on the front of the camera; and index marking for tagging frames in the timeline for easy location during editing. It passed the EBU’s ‘BBC test’ for


broadcast use, and has been used by broadcasters for sports, drama and other applications. 9.B14


Filter and antenna on show


Alan Dick Broadcast By Michael Burns


Alan Dick Broadcast is showcasing its range of station equipment, towers, and antennas, as well as installation services at IBC. Among the highlights is the ADB-VP – Vertical Dipole FM Broadband Antenna. Intended for HD Radio and analogue broadcasting, this is a vertically polarised broadband FM side mount antenna consisting of a Balun fed vertical dipole, power divider, coaxial feed lines and featuring symmetrical band bass. Constructed of stainless steel with a brass inner


Satellite delivers for event TV


Although OB equipment has shrunk in size and greatly increased in technical capability, demand for large-scale vehicles and satellite links is increasing, explains Dr Michael Schiestl, managing director, Hiltron Communications


The 2012 London Olympic Games preoccupied many outside-broadcast system managers in the UK and at their respective bases where incoming video and audio arrived via single or multi-hop satellite link. It is fortunate for IBC


exhibitors that our show is timed for September rather than August or the number of visitors arriving from the UK might be smaller than usual, pre-occupied either with helping to televise the proceedings or perhaps just sitting at home and watching them. Having experienced what our British colleagues


optimistically call ‘summer’, we held corporate prayers at our Backnang headquarters in mid- July to help ward off rain. Although video production equipment has shrunk in size and greatly increased in


technical capability during recent years, demand for large-scale OB vehicles and satellite links is increasing. The economics of television content origination have changed in favour of out- of-studio events typified by large-scale summer music festivals, theatrical productions and sports tournaments. Hiltron recently completed three digital satellite


newsgathering trucks for German public service television service provider NDR. This centred on the use of Hiltron’s advanced HSACU controller and HMCS SNG sng control software. We are also seeing growing demand for repair services and, as a result, have extended the range of repair and maintenance support we offer to DSNG vehicle operators. This now encompasses every element of


the satellite uplink and downlink chain from the SDI interface right through to the antenna control system, the satellite locator, the dish itself and of course the head-end equipment at the opposite end of the link. Our Backnang HQ has a large engineering maintenance bay designed for exactly this type of work, including a 5-metre high entrance doorway and an even higher internal ceiling. Our primary role as a company is the provision of turnkey systems including design, manufacturing, supply, installation, commissioning, training and support. We also have a thriving manufacturing role, most recently introducing the HSACU satellite newsgathering controller. Compatible with all leading motorised satellite


newsgathering antennas, this provides fully-automated satellite auto-acquisition. The HSACU is designed for integration into SNG trucks or for refurbishment of existing SNG antenna control systems. Housed in a compact rack- mountable chassis, the controller allows precise adjustment of three-axis motorised antennas up to 2.4 metres diameter. Azimuth, elevation and polarisation control are performed entirely in software. One consequence of miniaturisation at the front end of the television chain is the ability to send encapsulated video and audio back to base via links such as the Aviwest IBIS digital mobile newsgathering system which uses bonded 3G or 4G networks. That saves a reporter the time and cost or aggravation


conductor, all associated brackets and hardware are made of hot dipped, galvanised steel. The unit is completely assembled full size and factory tuned on an electrically similar tower structure, to insure proper impedance match and low VSWR.


Also on show is ADB- CNQ-X1X-FM, a Coaxial Quarter Wave Notch Filter, designed for suppression of intermodal products and rejection of a single frequency. The filter family also features natural temperature stabilisation, low insertion loss and VSWR packaged in a compact, high ‘Q’ aluminium cavity. 8.B99


Opinion


Michael Schiestl: ‘Seeing expanding demand’


of sending a tape, disc or chip physically back to base. Where live point-to-point full


broadcast quality HD television links must be maintained securely and with low latency, then the option of microwave-based delivery via satellite is obviously to be preferred. Here too we are seeing expanding demand both in Europe and worldwide. 4B89


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