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As the broadcasting industry is moving from a traditional SDI infrastructure towards the All-IP Studio providing a common frequency and – equally important – an absolute notion of time for all devices is now provided by the underlying infrastructure itself. In this four part series, Thomas Kernen and Nikolaus Kerö investigate the intricacies of PTP timing.
Familiarity breeds contempt and to a certain extent that is what has happened among broadcasters when it comes to serial digital interface (SDI) technology. Since SDI was first standardised by the SMPTE in 1989, broadcasters have forgotten the trials and tribulations they went through to get those initial systems working. Over the past 30 years, products have been developed that have resulted in an almost plug-and-play approach to building SDI-based broadcast infrastructure.
Part 4 in our series of videos from ‘Real World IP’, a one-day seminar event from The Broadcast Bridge held at BAFTA in London, Gerard Phillips, Systems Engineer at Arista Networks, discusses network topologies and ethernet switches.
Every audio engineer has had a crisis moment under extreme pressure when system problems arise in a live event or broadcast. How should one react? Logically, just as a pilot would when flying a plane in a life or death situation.
Part 3 in our series of full length videos from ‘Real World IP’, a one-day seminar event from The Broadcast Bridge held at BAFTA in London, Daniel Boldt, Head of Software Development at Meinberg, uncovers the mysteries of PTP timing and discusses how it relates to broadcast television, the key components required, and how it forms the backbone of any ST2110 system.
Now that we have resolved the professional media over managed networks aka JT-NM aka SMPTE ST2110 + NMOS challenge – What about all the field production, i.e. News, UGC, etc. that is beginning to use the wild and unruly Open Internet to send it back to the home office? Sending files back has different options, there are more than a few cloud options and accelerator solutions plus VPN and extended network.
Broadcasters are continuing to adopt and take advantage of IT working practices as they transition to file-based workflows. However, some seemingly effective solutions are outdated, have not kept pace with advances in computing power, and are unable to efficiently transfer large media files. FTP, for example, is tried and trusted but its 1970s design philosophy has proven inadequate for large media file transfer.
In a multi-disciplinary subject such as color space, it is hard to know where to start. John Watkinson argues that the starting point is less important than the destination.
