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MPEG-4 compatibility
Media USB storage device SD memory card
File extension .mp4
Compatible video codec MPEG-4
Compatible audio codec AAC
Recommended video specifications
Image size: VGA (640x480)
Bit rate: 480kbps
Frame rate: 24fps
Common notes
! The navigation system may not operate cor-
rectly depending on the application used to
encode WMA files.
! Depending on the version of Windows
Media Player used to encode WMA files,
album names and other text information
may not be correctly displayed.
! There may be a slight delay when starting
playback of audio files encoded with image
data.
! There is no compatibility with packet write
data transfer.
! This navigation system can recognize 32
characters beginning with the first charac-
ter, including extension for the file and
folder name. Depending on the display
area, the navigation system try to display
them with changing the font size to smal-
ler. However, the maximum number of the
characters that you can display varies ac-
cording to the width of each character or
display area.
! Folder selection sequence or other opera-
tion may be altered depending on the en-
coding or writing software.
! Regardless of the length of blank section
between the songs of original recording,
compressed audio discs play with a short
pause between songs.
Example of a hierarchy
The following figure is an example of the tier
structure in the external storage device. The
numbers in the figure indicate the order in
which folder numbers are assigned and the
order to be played back.
: Folder
:File
1
2
3
4
5
6
L
e
v
e
l 1 L
e
v
e
l 2 L
e
v
e
l 3 L
e
v
e
l 4
Notes
! This product assigns folder numbers. The user
can not assign folder numbers.
! If there is a folder that does not contain any
playable file, the folder itself will display in the
folder list but you cannot check any files in
the folder. (The blank list will appear.) Also,
these folders will be skipped without display-
ing the folder number.
Appendix
En
119
Appendix
Appendix