theibcdaily IBC Posters move to Art Gallery By Chris Forrester
In a new departure for IBC the always popular Poster presentations will this year be presented in their own
technology Art Gallery (located in the Future Zone). The exhibits are wholly international with contributions from Russia, South Korea, Europe, the Americas and India. The authors will be present to explain their concepts on Friday and Saturday.
The changes should make it easier for delegates to question authors and have them explain what are always the very latest in research and innovation in broadcast and communications. The Poster topics are a natural extension of IBC’s conference and complement many of the subjects presented in the IBC2014 Conference Technical Papers and Technology Stream sessions.
In particular, this year’s themes
are focused on some extremely ‘hot’ topics, not least: Ultra HDTV: including IP
production studios for UHDTV, de-interlacing SD/HD for UHD delivery and transmission of UHDTV using legacy technology 3D audio & video:
presenting experiments in 3D immersive audio perception, realtime editing of multiple live 3D video feeds and creation of 3D images
New studio technologies: with a studio profile HEVC codec, techniques for visual quality metrics and advances in handling video over IP Developments in transmission: proposing innovative bit rate reduction schemes for multimedia, video surveillance via DTV networks and remote activation of DTV receivers Latest Applications: showing cloud-based architectures for interactive sports, audience segmentation using ‘Big Data’ solutions and music generation by crowd- sourcing
The Poster presentations enable IBC to show the very latest ideas and results by research organisations from all over the world in the exciting and buzzing atmosphere of the Future Zone. There is a great opportunity to see all the Posters and Future Zone exhibits on Friday 12
September at 16:00, when the IET hosts an open drinks reception celebrating the achievements of the authors and exhibitors, acknowledging the glimpses of the future that they are providing, and announcing the publication of the acclaimed ‘Best of IET & IBC’ Technology Journal for 2014.
Servo equipped: The CN7x17 KA S brings ENG-style shooting to Canon’s cinema lens range
Canon’s 4K cinema servo lens
Canon By David Fox
The new Canon CN7x17 KA S is its first cinema lens to feature a servo drive unit, making it more suitable for handheld broadcast use for 4K and large sensor cameras. It is claimed to offer a best- in-class focal length of 17- 120mm, and is available in EF-mount and PL-mount versions, while the addition of the servo drive unit, with high speed zoom, iris and focusing, lends itself to a more fluid shooting style, for drama, documentaries or current affairs. Its low speed drive functionality offers greater control over slow
Alexa supports ProRes 4444 XQ Arri By David Fox
Arri has become the first camera maker to support Apple’s new ProRes 4444 XQ codec, designed to preserve all the detail in higher- dynamic range imagery through post production. “Working with ProRes has
been great for our customers,” said Marc Shipman-Mueller, Arri’s product manager for Camera Systems. “Up until now, the ProRes 4444 330Mbps
version has been the workhorse of professional filmmakers using the Alexa. ProRes 4444 XQ has a higher target data rate of 500Mbps that makes it the ideal choice for post production that requires visual effects processing or extreme col- our grading.” “ProRes 4444 XQ is a fantastic choice for high-end mastering and archiving,” added Henning Rädlein, Arri’s head of Digital Workflow Solutions. “ProRes 4444 XQ offers 12-bit RGB encoding with a low compression ratio of 1:4.5 that maintains the
superior tonal range of Log C, while providing the speed, ease of use and familiarity of ProRes.”
Final Cut Pro X 10.1.2 fully supports ProRes 4444 XQ for editing, compositing, ren- dering, and exporting. Arri Alexa XT cameras and Alexa Classic cameras with the XR Module gain ProRes 4444 XQ capability in both HD and 2K via Arri’s Software Update Packet 10, to become the first cameras capable of encoding ProRes 4444 XQ. SUP 10 is due for release in August. 11.F21
zooming, while immediate start-up means shots won’t be missed in dynamic situations. It supports 4K resolution shooting, with a 7x zoom range and a maximum T- number of T2.95.
The lens is also suited to
tripod-mounted use. Zoom, focus and iris can all be controlled using Canon’s existing zoom and focus demands. Virtual studio use is also supported via 16-bit encoder output. For more traditional movie-
style shooting, the servo drive unit can be removed completely, with follow focus units and matte boxes fitted, while re-installation is quick and simple, with no
adjustment of gear positions required. The CN7x17 KAS S
supports communication between lens and camera. The EF-mount version uses Canon’s own system, while the PL-mount variant is the first in the Cinema EOS series to support Cooke’s /i Technology. There is also support for 12-pin serial communication.
Canon will also be showing
more than 100 lenses in a vast array of focal lengths and types, from ENG to cinema to EF lenses, at IBC, as well as numerous 4K demonstrations, including 4K output from studio camera configurations and live colour grading enabled by its 4K reference monitors. 11.E50
Transmitters aim for all-round efficiency
GatesAir By Michael Burns
What SUP: The Arri Alexa XT can be upgraded to encode 500Mbps ProRes 4444 XQ
22 Preview Issue
Based on transformational PowerSmart 3D architecture, the new Maxiva TV and DAB radio transmitters are being introduced for over-the-air broadcasters across the UHF and VHF spectrum. GatesAir's Maxiva UHF series comprises of the ULXT liquid-cooled model, for medium-to-high power broadcasts, and the UAXT air-cooled model for low- to-medium power requirements. The broadband amplifier design increases power density in both models, reducing transmitter footprints and rack space requirements by up to 75%, said the company. GatesAir said this design also simplifies maintenance, as it offers modularity, lighter weights and fewer parts.
The designs of the Maxiva ULXT and UAXT enhance energy efficiencies to reduce carbon footprint and lower operating costs, claiming possible annual power savings of over 50% for over-the-air broadcasters. On show is its Maxiva VAX air- cooled VHF transmitter, built on the same PowerSmart 3D architecture and delivering similar operational efficiencies The VAX covers mostly low-to-medium power VHF requirements, and is aimed at broadcasters operating large networks from space-challenged facilities, or local broadcasters filling in coverage gaps across expansive regions. For radio broadcasters, the Maxiva VAX can be used for DAB radio networks, with advanced inputs including Encapsulation of DAB Interfaces (EDI) to support signal distribution over IP networks. 8.B10
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