02.20.2003 12:00 AM
Miranda Launches Industry's First DVI-to-HD/SD Video Port for Mac and Windows
At NAB2003, Miranda is introducing the DVI-Ramp, an DVI-to-HD/SD video port that lets users output computer graphics as HD or SD video for post production, editing, compositing or for live playout to air of 3D and weather graphics. The port works on both PCs and Macs.

The output of the workstation graphics card is routed to the DVI-Ramp via a single or dual DVI connection. It uses pixel-to-pixel mapping to extract the portion of the graphics signal appropriate for the HD or SD video format. The digital RGB signal is then converted to 4:2:2 using the appropriate color matrix and the signals are output as HD SDI or SDI.

The DVI-Ramp's signal conversion process adds less than a frame's worth of delay. The unit also has a reference input and generates a TTL-level sync output to allow the workstation's graphics card to be synchronized with house sync.

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