Apple Final Cut Pro 6 - Manual (Page 183)

182 Part III Setting Up Your Editing System
DVI supports single- and dual-link connections. Single-link DVI connections are limited
to 2.6 megapixels with a refresh rate of up to 60 Hz. Dual-link DVI connectors extend
the number of pixels that can be transferred per second to drive larger displays.
HDMI
High-Definition Multimedia Interface (HDMI) supports both digital television and
computer signals and can also include multiple digital audio channels. HDMI devices
are compatible with single-link digital DVD signals via an adapter, although no audio or
additional metadata can be included. Many HD display devices and digital television
set-top boxes include HDMI connectors.
Connecting Professional Video Devices
Regardless of what format or video interface you use, the same basic steps apply when
you connect a VTR or camcorder to your computer.
Connecting Professional SD Video Devices
If you’re using a format other than DV, such as Betacam SP or Digital Betacam, you
need to install a third-party video interface that supports the proper signal for the
format you’re using. Some video interfaces can digitize analog video input and output
(for analog formats like Betacam SP), while others capture video only if it is already
digital. In either case, the video interface encodes the video information using a codec,
which may or may not apply compression to the video data to make it smaller while
stored on disk. Compression settings used by video interfaces are typically controlled
by software.
Unlike DV video devices (which use a single FireWire cable), third-party interfaces send
and receive video, audio, and device control data on separate cables. For remote device
control connections on professional equipment, 9-pin (DB9) connectors are used.
DVI-I (single link) DVI-I (dual link) DVI-D (single link) DVI-D (dual link)
HDMI connector