Apple Final Cut Pro 6 User Manual Page 182

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Chapter 12 Connecting Professional Video and Audio Equipment 181
III
HD-SDI
High Definition Serial Digital Interface (HD-SDI) is a higher-bandwidth version of SDI
designed for the extremely high data rates required by uncompressed HD video. Like
SDI, HD-SDI is capable of sending both video and audio through a single connection.
The following decks have HD-SDI interfaces: DVCPRO HD, D-5 HD, and HDCAM decks.
Some devices provide even higher data rates by pairing two HD-SDI channels together
(known as dual-link HD-SDI). Uncompressed HD RGB video and other digital cinema
formats can be transmitted using dual-link HD-SDI.
SDTI
Serial Digital Transport Interface (SDTI) is based on SDI, allowing native video formats
to be sent in real time within an SDI video stream. SDTI does not define a specific video
signal format but instead uses the structure of SDI to carry any kind of data. This allows
video facilities to use their existing SDI patchbays and routers to transfer other native
video formats, or transfer any kind of data. For example, some DV decks can transfer
DV via SDTI, which means native DV can be transferred long distances over existing
coaxial cable instead of the usual FireWire connection. Other formats, such as HDCAM
and MPEG, can also be transferred via packets within an SDTI transport stream.
VGA
VGA interfaces use a 15-pin D-subminiature connector to transfer analog RGB video and
sync information between computers and computer CRT displays or video projectors.
This connector and signal format is being replaced by newer display formats such as
DVI and HDMI. However, adapters are available to convert between DVI and VGA.
DVI
Digital Visual Interface (DVI) transfers full-resolution analog or digital signals between
computers or HD video devices and flat-panel displays or projectors. DVI connectors
have up to 24 pins plus four additional pins for analog signals. Not all devices use all
pins, so read the documentation included with your equipment before purchasing
DVI cables and making connections.
VGA connector
DVI connector
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