Kitplus Magazine by TV-BAY

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TECHNOLOGY HOW TO Produce & Stream a Live Production – Part 2 Today, anyone with a smartphone and an internet connection can stream video content for free. The challenge is to create professional looking content that makes an impact; to do that it needs to have the polished look viewers are accustomed to seeing on network television, or they’ll stop watching. by Chris Waddington, NewTek, Inc. In the first part of our article, we looked at the first three steps in a live production; capture, production and encoding. Now let’s look at how to get it to your audience. Distribution Instead of the satellites, radio towers and cable networks used to distribute broadcast content, video streams are transmitted over the internet in formats that can be viewed on a wide variety of devices such as computer screens, mobile phones, tablets and set-top boxes. Although it is possible to arrange your own streaming infrastructure, it is crucial to remember that you have a separate TCP/IP connection for each viewer and all the technical support and troubleshooting is on you. An easier option for those without the expertise or an in-house technology infrastructure is to use a Content Delivery Network (CDN). With data centres around the world connected to the internet backbone and content mirrored across them, they can deliver your content quickly to consumers. Be aware that CDNs deliver many types of internet traffi c – not just video – so you need to ensure that whoever you choose is optimised for streaming services. Some even specialise in certain genres, such as music or sports. CDNs can provide value added services such as taking a single stream from your live venue and creating the multi-bitrate versions required to serve all your different viewer profi les. This negates the need to have multiple encoders and reduces your uplink bandwidth, but can increase latency and this service usually comes at a cost. Many will also provide playback 72 | KITPLUS - THE TV-BAY MAGAZINE: ISSUE 94 OCTOBER 2014 TV-BAY094OCT14 v118.indd 72 07/10/2014 15:42