AYRE DX-5DSD - Manual (Page 125)

Scaling Scaling is the process of converting a video signal
from one Resolution to another. As with any type of
signal processing, care must be taken to ensure that
the signal is not degraded by the processing itself.
S/PDIF The Sony/Philips Digital Interface Format is
commonly used to transmit digital audio
information from a source (such as a DVD player) to
a receiver (such as a surround-sound processor). The
connectors used for S/PDIF are common RCA
(Cinch) connectors. Also see AES/EBU.
UOP Video disc formats allows the disc itself to send
commands to the player. A User Operation
Prohibition is a disc-based command that tells the
player to ignore commands issued by the user. For
example, many video discs will display an FBI
warning at the beginning of the disc and issue a
UOP that temporarily disables most user
commands.
VC-1 VC-1 is a higher-performance video compression
algorithm used in the some Blu-ray discs.
Video Decoder The Video Decoder is a highly complex integrated
circuit that decodes the video and audio information
stored on optical discs.
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