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Angle (DVD): Some DVDs contain the recording of multiple view-
ing angles. This player allows the user to select desired one of
the recorded angles during playback of such a DVD.
Audio language (DVD): Some DVDs contain the recording of
multiple audio languages. This player allows the user to select
desired one of the recorded audio languages during playback
of such a DVD.
Aspect ratio: The ratio between the horizontal and vertical sizes
of picture displayed on a TV screen. The aspect ratio of ordi-
nary TV is 4:3, and that of widescreen TV is 16:9.
Pan & scan (DVD): Method of displaying a horizontally-long
picture recorded in 16:9 aspect ratio on a 4:3 TV screen by trim-
ming part of picture.
In general, the trimming positions for pan & scan are deter-
mined uniformly by the reproducing device. However, the pan
& scan of DVD allows the software producer to specify the trim-
ming positions to be used in playback.
Letterbox (DVD): Method of displaying a horizontally-long pic-
ture recorded in 16:9 aspect ratio on a 4:3 TV screen by attach-
ing bands at the top and bottom of the screen and displaying
the horizontally-long picture at the center of screen.
Frame (DVD, VCD): Each frame of a moving picture, that is dis-
played 30 times a second with NTSC and 25 times a second
with PAL. These TV formats reproduce moving pictures by dis-
playing still pictures sequentially.
Field (DVD, VCD): Part of a frame obtained by diving the video
data of each frame by two. Each frame of ordinary TV is consti-
tuted by displaying the fields alternately.
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DVF-R9030
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