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Chapter 1 MVS-8000 Functions
No pixel ratio conversion is performed when images are imported for the
SDTV format. When the signal format is 480i/59.94, if you create an image
with a size of 720 × 540 on a computer and then import it just as it is, the image
will be too tall. To maintain the shape of the image, first create it as a 720 × 540
image and then use computer software tools to compress the vertical dimension
to 487 pixels before importing it.
HDTV (1080i)
Images of 1920 × 1080 pixels in size are exactly the size which fills the full
screen.
Like SDTV, images are placed with the upper left of the screen as the origin.
When an image is smaller or larger than the screen, processing is the same as
for SDTV.
Since the pixel ratio of the HDTV format is 1:1, files created on computers are
imported in their original shapes.
The following table shows the image sizes which exactly fill the full screen for
the various signal formats.
Signal format
Image size (H
× V)
480i/59.94
720
× 487
576i/50
720
× 576
720 pixels
487 pixels
Position of small picture
Section filled with black for
a small picture
Parts discarded when
image is too large