Editor’s Note: This is the last part of a three part series.

In previous articles, I have covered the cabling infrastructure of HD broadcast studio and portable cameras. Another very exciting camera design is POV (point-of-view). With its standardization on HD, usage of 3G, and its pioneering of 3D, there is nowadays serious competition in sports broadcasting between different kinds of sports. TV viewers like to see thrilling moments, and TV networks need high ratings to grow their advertising revenues. POV cameras are able to help sports events become an even more spectacular viewing experience than ever. 

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The first European high definition TV test transmissions were made at the IBC exhibition ten years ago. It has taken a while, but nowadays every organization involved in the broadcast industry is renewing or updating its equipment to HD.

So what exactly is HD? Its full name is actually HD-SDI, and it is a sub-set of the SDI (Serial Digital Interface) family of video interfaces standardized by the Society of Motion Picture and Television Engineers (SMPTE). SDI, which is covered by the SMPTE standard 259M, comes in many versions, the most common being  4×3 image, 270 Mbps (135 MHz clock), 480p (progressive).

HD-SDI itself is covered by SMPTE 292M, and comes in two versions, 1080i (interlaced) or 720p, both with a 16×9 image. But the next step is already on its way:1080p/60 (1080p/50 in Europe), which is covered in SMPTE 424M.

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