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Synchronisation for UHD

Ultra HD is a hot topic for broadcasters these days. More and more productions are looking to create content in 4k resolution, if not for use now then for archive and future re-purposing. Streaming services are competing by offering Ultra HD to their subscribers, a growing number of whom have invested in 4k-ready television screens. 

As in so many aspects of the broadcast and media industry, a lot of the drive behind the move to UHD comes from sport. Fans can never get enough insight into the action, and higher resolutions – high dynamic range and extended colour gamut as well as 4K spatial resolution – make for more engaging, more informative images.

Committed to UHD coverage

Underlining this movement, recent major international sporting events have committed to covering every minute of the action in 4K UHD. To simplify the installations, some broadcasters are using 12G interconnectivity; the full 12 gigabit signal on one SDI coax cable.

Sports audiences are very critical, and they certainly will not tolerate any drift in lip sync. Cricket bat on ball; driver on the tee; calls from the lineout: if the sound and pictures do not line up precisely then the engagement is lost.

Read the full article on SVG Europe News here >

MatchBox 12G Rears

Many sports production companies are already extensive users of Hitomi MatchBox signal generators and analysers. They recognise that they need to get the video and audio perfectly aligned. 

What happens when the broadcast moves to Ultra HD? One solution would be to use existing Hitomi MatchBox equipment, but that would mean down-converting an Ultra HD feed to HD. Then you would struggle to know how much of the timing difference is down to the processing and how much is latency in the downconverter. 

At the request of an international broadcaster, Hitomi implemented a 12G Ultra HD interface for MatchBox which is now in use at major sporting events around the world. 

The even better news is that it does not involve replacing the MatchBox units you already have. You only need to replace the rear module to provide the high bandwidth I/O, so the bulk of the unit is unchanged. If you are using IdentBox to identify feeds, the same upgrade is available there, too. There is no change to the way you work; no new procedures to learn (which would represent a risk). 

Hitomi MatchBox is hugely popular in the live production business because it provides a simple, foolproof, unobtrusive and highly accurate way to align video and audio feeds. The Hitomi MatchBox solution has long supported UHD in Quad and 2SI interface standards. Now with a simple upgrade, it supports Ultra HD – including HDR – as a 4k SDI signal on a single 12G co-ax cable.

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