TV Skylines New-Generation OB Vehicle Uses Crystal Vision Interface

Based in Mainz and with a fleet of highly equipped OB vans, SNGs, and production vehicles, TV Skyline is a leading service provider for broadcast and multimedia events - providing clients with turnkey solutions for events ranging from the FIFA World Cup to the Wagner festival in Bayreuth. 7 was launched in April 2014 and features 22 cameras and three separate control rooms. This new-generation vehicle is targeted at high-end TV production and sports coverage, including the E-Sports event League of Legends All-Star tournament in Paris, and therefore a particular focus was put on the quality of the signal processing and product reliability when selecting the equipment. Based on previous experience and company reputation, TV Skyline selected 51 Crystal Vision boards to provide the up and down conversion, synchronisation, audio embedding and signal distribution.

TV Skyline is using 24 Up-Down-AS 3G synchronising up/down/cross converters, along with six Q-Down-AG 3G down converters. Featuring both motion adaptive video de-interlacing and Crystal Vision's proprietary down conversion, Up-Down-AS 3G can convert 3Gb/s, HD and SD sources, handles up to four groups of embedded audio and - with its on-board synchronisers - can give a clean output in two different formats. The Q-Down-AG 3G down converter is known for its high quality output, short processing delay and flexible outputs which are individually selectable between analogue (composite, Y/C, YUV and RGB) and digital.

Video signals are being distributed using eleven 3GDA111N and 3GDA105R digital distribution amplifiers and seven VDA110M HD analogue video DAs. The multi-format 3GDA105R and 3GDA111N can distribute 3Gb/s, HD and SD sources, with the 3GDA111N providing eleven non-reclocked outputs and the 3GDA105R providing five reclocked outputs along with remote monitoring of input present and signal type which makes it ideal for providing status information in large systems. Providing up to eleven outputs, the VDA110M HD is designed for distributing any analogue source - SD or HD analogue video, SD Black and Burst reference and HD tri-level syncs analogue reference.

Signal timing in 7 is being done by the SYN-A 3G - a video synchroniser designed for embedded audio sources which includes audio routing and resampling, tracking audio delay, flexible delay compensation and AFD insertion. The video output is being protected by the Safe Switch 3G 2 x 2 fail-safe routing switch which can correct for any timing difference between the two inputs thanks to a full framestore synchroniser on each input plus the ability to delay the earliest arriving input by up to 25 frames. TV Skyline is also using a TANDEM 310 audio embedder/de-embedder which can embed and de-embed a mixture of four groups of AES and two groups of analogue audio at the same time.

The 51 boards are housed in a mixture of 2U and 1U frames: five Indigo 2SE and two Indigo 1SE-DP, with third party control via SNMP from L-S-B's Virtual Studio Manager Broadcast Control and Monitoring System.

TV Skylines owner and Managing Director, Wolfgang Reeh, explained his decision: We know that Crystal Vision equipment is extremely reliable and its compact size makes it ideal for OB truck applications. The quality of the video up/down converters is one of the best on the market and this is important for a truck which will cover some of the highest profile sporting events in the world.

The order was co-ordinated by Crystal Visions German distributor, SHM Broadcast GmbH.

Based at Whittlesford near Cambridge in the UK, Crystal Vision provides digital keyers and a full range of interface equipment including converters, decoders, encoders, distribution amplifiers and audio embedders to the professional broadcasting industry worldwide.

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