What is the difference between the Dual-Link HD-SDI feature of the Phantom Flex, and the Versatile Dual HD-SDI feature on the v640, v12.1 and v710?
The Versatile Dual HD-SDI feature of the v640, v12.1 and v710 allows the user to have a live image on one of the two HD-SDI ports on the camera while playing back a stored cine on the other port at the same time. This is a feature that is critical in sports broadcast replay applications. The camera operator can always be looking at or recording the live action, while the controllers in an OB truck (for example) can be viewing, saving or even airing a slow-motion playback stored in the camera. This feature, in addition to true HD resolution and great light sensitivity is what has propelled the v640 into the position as the most popular ultra-slow-motion broadcast camera. Dual-link HD-SDI is a video system which has two HD-SDI outputs, which always have the same content on them – either live OR playback. They can be configured to provide two 4:2:2 video feeds of identical content, or they can be “combined” to provide a 4:4:4 video feed for maximum video quality. (4:4:4 is typically not a
