Camera Corps to Intro Multi-Rate SD/HD Re-Clocker at NAB 2008

A compact and economical solution to the problem of cabling video signals around a studio or OB site, the new Camera Corps Multi-Rate SD/HD Re-Clocker allows serial digital video to be constructed and forwarded in up to 200 metre stages. Operating in the role of a digital repeater, it overcomes the distance limitation experienced when sending high bit-rate data along video cable.

The Camera Corps Multi-Rate SD/HD Re-Clocker can be used to re-construct any SDI data sent up to 140 m at 2.97 Gbit/s, 230 m at 1.485 Gbit/s or 250 m at 270 Mbit/s (typical equalised cable lengths for Belden 1694A cable). Two re-clocked outputs are provided. Operation is fully automatic including auto selection of any data rate from 143 Mbit/s to 2.97 Gbit/s. The re-clocker requires just 1.5 W at 9 to 18 V.

Compliant with SMPTE-424M, SMPTE-292M and SMPTE-259M, the Camera Corps Multi-Rate SD/HD Re-Clocker incorporates a lock-detect LED, weighs 145 g and measures 90 x 57 x 25 mm. Signal input and outputs are via standard locking BNC sockets.

"Digital signals are subject to the same induced noise and HF loss characteristics as analogue," comments Camera Corps Technical Director Jim Daniels. "Unlike analogue, the digital feed remains robust until it degrades to the point where individual pulses are no longer detectable; suddenly your signal is unstable or just plain gone. A fiber optic system is ideal for really long links but can prove quite expensive for shorter distances. Data re-clocking is a far more economical solution where the cable runs involved are in the order of 150 to 500 m."

The Camera Corps Multi-Rate SD/HD Re-Clocker costs £495 and is available now.

Camera Corps has long experience in providing high-volume support services to major sports events including the Commonwealth Games, summer and winter Olympics, and World Cup football. At the 2008 Beijing Olympics alone, Camera Corps will be fielding and managing over 150 high definition camera systems, 18 motorised tracking systems, plus remote heads and large camera cranes, on behalf of the host broadcaster. Camera Corps has achieved a pre-eminent reputation for its ability to acquire exciting and unusual television content from exceptionally challenging environments. Its ever-growing arsenal includes high-level cranes, motorised tracking cameras, underwater cameras, bullseye-mounted archery target cameras and fire-proofed high temperature cameras. The Camera Corps team expands during large-scale events from eight full-time staff based at Shepperton Studios to as many as 200 specialists, including highly-skilled rock climbers able to establish camera positions in almost any location.

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