AJA IO HD Overview. The Apple ProRes 422 codec is built into the IoHD. This codec compresses HD video to SD sizes. It makes it practical to edit full-quality HD on a MacBook Pro. TheIoHD FireWire-800 Analog/Digital Capture Device fromAJA is an external video capture device that is designed for use with Apple's Final Cut Studio 2/3 editing suite (or newer).
eBay