ARCHOS 400 - Manual (Page 31)

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9.3
Display Format Settings
You will notice in the Options button (center function button), that you
have a number of display format options. In certain cases, depending
on how the original video was recorded, you may want to use these
adjustments.
Default mode : Adjusts the video size to best adapt to the LCD screen.
4/3 aspect: Enlarge the image to fill the screen (usually a vertical fill) and
then cut the sides to completely fill a television screen.
16/9 aspect: Send out a TV signal without the black horizontal bars.
No Overscan: Picture will not pass into the overscan area. Entire picture
will always be seen on all televisions. Will not be cropped on the LCD.
9.4
Playing Video Files from the Internet
The number of encoding and compression schemes currently used to
create video files is very extensive and seems to change on a weekly
basis. There are so many standards and formats that it is very possible
that the video file you download from the Internet will not play right away
on your device. Due to certain “variations”, even when video files are
formatted in “MPEG4” they may not play right away. The Gmini 400 series
can play video files of type MPEG4 Simple Profile which have an MP3 or
IMA-ADPCM audio sound track. It can play such video files which have a
maximum size of 640 x 400 pixels (30 frames/second). The Gmini 400 will
not directly play files of type .mov, .mpg, .mpeg, or .avi files created with
codecs (compression/decompression) other than the XviD and DivX™
MPEG4 codecs. If you have video files of these other types that you would
like to view on your Gmini 400, they will have to be converted first. You
will have to use the software MPG4 Translator included on the Gmini
400 hard disk to re-encode them into the proper XviD or DivX™ MPEG4
format with an MP3 or IMA-ADPCM sound track. See chapter 10 for more
details.