Matrox Electronic Systems Matrox RT.X2 - Manual (Page 209)

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Glossary of terms
SDTV Standard Definition Television. A
television format with image resolutions up to
525 vertical scan lines for NTSC video and
625 vertical scan lines for PAL video. SDTV
can have a 4:3 or 16:9 aspect ratio. See also
HDTV.
SECAM Séquentiel Couleur Avec Mémoire
(sequential color with memory). A color
television system developed in France and the
former USSR. It uses a composite interlaced
display comprised of 625 scan lines per
frame, refreshed at a rate of 25 frames per
second. The color difference signals are
transmitted sequentially on alternate lines.
serial control A method of remotely
controlling a device via a data line. The
control data is transmitted in serial form (that
is, one bit after another), such as for RS-232
and RS-422 connections.
setup See black level.
shadow effect A Matrox effect that lets
you project a realistic shadow from any
source that provides alpha key information,
such as Matrox DVEs and titles with an alpha
channel.
shine effect A Matrox effect that lets you
create rays that shine through text, or add
shimmer to an object in your clip. You can
also use the shine effect to make 2D text
appear as 3D text.
SMPTE Society of Motion Picture and
Television Engineers. A professional society
of motion picture and television engineers
that prepares standards and documentation for
television production.
spatial redundancy reduction See
intra-frame compression.
sphere effect A Matrox effect that lets
you wrap your clip around a true 3D sphere
with shadow and highlight.
striping a tape Preparing a tape for
editing by recording continuous control track,
time code, and a video signal (such as black
or color bars).
super See graphics overlay.
super black Video that is darker than the
standard black level. See also super white.
super white Video that is brighter than the
standard white level. See also super black.
surface finish A Matrox effect that lets
you apply various surface textures to your
clips, such as metal, brick, wood, or granite
with color spot lighting.
SVCD Super Video CD. A standard for
storing video and audio on a CD that provides
better video quality than VCD and standard
VHS. Video is compressed using MPEG-2 at
2500 Kbps, and audio is compressed as
MPEG-1, layer II, at 224 Kbps. An SVCD
can hold about 30 minutes of material. Super
Video CDs will play back on some DVD set-
top players.
S-Video A component video signal in
which the luminance (Y) and chrominance
(C) information are separate. S-VHS
videocassette recorders use the S-Video
format. Also called Y/C video.
sync A circuit or signal that directs the
electron gun in a camera or TV picture tube to
hold a picture steady on the screen. It also
synchronizes the electronics of other video
equipment.
sync generator An electrical device that
generates sync (timing) signals used to
synchronize video equipment and keep
pictures stable on the screen.
T
TBC See time base corrector.
telecine process A process that transfers
film (negative or positive) to SD or HD video
tape. The telecine process shines a light