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GLOSSARY
DVD+R DVD+R (write-once DVD). Unlike a DVD+RW disc, the disc can only be written
to once. If it is not finalised after a recording, further recordings can be added to
it in a DVD recorder. Old recordings can be deleted but can no longer be over-
written. Before this disc can be played in a DVD player, it must be finalised in a
DVD recorder. Once this process is completed, no further recordings can be
added.
Interlaced It is a process in which the picture is split into two fields by sending all the odd
numbered lines to field one and all the even numbered lines to field two. This
allows a whole picture to be produced in two very fast scans.
JPEG Joint Photografic Expert Group. File format for pictures with high compression
degree.
KHz Kilohertz. KHz is the indication for the height of the scanning rate with which an
analogue signal (PCM) is interrogated for the following analogue/digital trans-
formation.
Macrovision Analogue copy protection which scrambles the video signal when used with
VHS recorders. Also has an effect on some projectors and monitors.
MP3 A compressed audio format. MP3 files recorded on CD-R or CD-RW media are
suitable for playback on your DVD player.
MPEG Moving Picture Experts Group. Compression method that is used for digital
video records, e.g. for Video CDs or CDs.
NTSC National Television System Committee, television norm among others in the
USA and Japan (from 525 lines only 480 lines will be transferred with a picture
changing frequency of 60 half pictures per second).
PAL Phase Alternation Line, television norm in Germany and other European coun-
tries (from 625 lines only 576 lines will be transferred with a picture changing
frequency of 50 half pictures per second).
Pan & Scan When used with a normal TV (4:3 aspect ratio), this setting results in the typical
“Pan & Scan” display, where a movie is clipped on the sides to fit on the TV
screen.
PCM Pulse Code Modulation. Linear data stream, which arises from the scanning of
an analogue signal in the same intervals.
Progressive Scan Is a method of making a computer picture by drawing all the scan lines sequen-
tially from top to bottom resulting in a slightly brighter, more stable and flicker
free picture.
Region code DVD movies are produced with region encoding to restrict distribution of titles to
certain areas at certain times. To play back a DVD title with a specific region
code, you will need a DVD player with the same region code.
RGB Electrical transmission possibility for video pictures, i.e. it is a picture signal,
which is splintered according to the primary colours of the TV (red, green and
blue).
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