August 2014
www.tvbeurope.com
“While SDI is still by far the more popular output of a CiaB system, compressed output over IP is gaining traction for some customers” —Andy Warman, Harmonic
IP-based vision mixers all becoming software functions as well. With virtualisation, this can be running in your private cloud or be hosted at, for example, Amazon Web Services public cloud.
would I do it?’ The perceived risk outweighed the benefits for some — that is, the sceptics, but the constant pressure of business margins and rapid change has brought even the most ardent sceptic to consider and adopt
more efficient solutions, such as our own iTX. Warman: In the context of the Harmonic Spectrum ChannelPort solution, we have a number of ways we can make the transition to CiaB easy.
To begin with, the Spectrum system’s conventional video server reliability, scalability, flexibility, density, and energy efficiency are well-known, and the system is a trusted server platform for customers all over
TVBEurope 57 Forum Channel in a Box
the world. The ChannelPort solution uses the same I/O hardware as our Spectrum MediaPort server, and we have added CPU processing to it to support more simultaneous codecs, graphic branding,
Scott Rose, Grass Valley
How do you convince sceptics that the concept of fitting everything needed for TX into a single component isn’t scary from an
engineering perspective?
Gilbert: Frankly, some Channel-in-a-Box solutions are scary. We all know that off-the-shelf computers and operating systems are getting better, but 99 per cent availability is still the practical norm, while one per cent downtime means your channel is off-air for more than three and a half days in the year — is that really acceptable? That is why we created our ChannelMaster system on a platform that was designed and is built for broadcast expectations of reliability. Rose: Fitting all of the required features and functions into one solution has never really been a question of ‘can it be done?’ but more ‘why
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