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Important Elements of a Testing Solution Given the importance of test and measurement when it comes to perfecting video-delivery equipment and scenarios, it makes sense to start with the right testing tools. First, consider the source. A typical delivery network today receives video from a number of sources, such as a program feed from its studio or a satellite network; an uncompressed or mezzanine compressed feed from WAN via long-haul service provider, or a fi le from a satellite data link; or a fi nished fi le from the edit suite. From there the operation puts out both high-bit-rate encoded video for broadcast and adaptive streams in different bit rates to support any number of OTT platforms. When considering a 4k or 8k video-quality testing solution, one of the most important factors is its ability to record or import a fi le in 4k (and possibly 8k) resolution, and then test content quality coming from any downstream compressed stream, fi le, or uncompressed video device. There should be a wide variety of input and output capabilities that let users test individual devices and then place them into a test network architecture — either at a live broadcasting plant, a content delivery network, or in the lab of the product’s manufacturer or developer. Another major criterion is the solution’s ability not only to decode any encoded fi le, such as the latest HEVC, but to keep up with new enhancements and new codecs that come along. www.mtfservices.com www.lensadaptor.com New adaptors for Sony FS5 & FS7 Centre Crop Mode In addition to those key elements, the right testing tools will support the full range of resolution levels, from streaming formats for hand-held devices and PCs; to today’s still-prevalent broadcast-level HD formats; to high-frame-rate HD; to, of course, 4k and 8k. Furthermore, the system must be able to play back the content, allowing the user to visually inspect it in every resolution required for delivery to every screen, from UHDTV to mobile-device resolutions. Finally, there should be an automated means of testing key attributes of video quality, audio quality, lip sync, loudness, and ancillary content. Conclusion 4k technology is becoming a major factor in content creation today — one that is already starting to affect other aspects of the broadcast workfl ow and to infl uence new purchase decisions. And with the rapid pace of technological evolution, 8k technology is poised to enter the picture before we know it. For that reason, having 4k and 8k testing capability for content encoding and delivery methods is critical to ensuring high quality and reliability now and into the future. The results provide valuable input to help defi ne workfl ows, assemble the right combination of gear, and guide important business decisions for current and future generations of services. MTF Services Tel 0208 881 7850 LONDON MTF EFFECT 3 Canon Lens Controller •Wireless controller •Illuminated display •Displays Focal length •Displays aperture Arri Bayonet to E Mount For Super 16 lenses B4 2/3" to E Mount Optical •Aperture control in 1/8th stops increments •Smooth focus control •Powers stabiliser •Modular design •One adaptor included •Peli type case included B4 2/3" to E Mount Mechanical Arri PL to E Mount For Super 16 Lenses •Works with existing EFFECT adaptors MTF are please to introduce Veydra mini prime lenses to the UK. Available in 12, 16, 25, 35, 50 & 85mm Micro 4/3 mount or E mount. FZ mount coming soon. Purpose built for cinema acquisition applications, all Veydra lenses feature constant volume focus, 0.8 cinema pitch gears on the iris/focus rings, constant T-Stop, and common front diameter KITPLUS - THE TV-BAY MAGAZINE: ISSUE 107 NOVEMBER 2015 | 61