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Page 62 3 September 2003 3:52 pm
OPERATIONS ON DVD DECK (cont.)
About MP3/WMA
Disc
This unit can playback CD discs recorded by the MP3/WMA
format (we refer to those discs as MP3/WMA discs in this
manual).
Operations for MP3/WMA discs are similar to those for Audio
CD discs, though there are some restrictions and differences.
What is MP3?
MP3 is the abbreviation of “MPEG1 Audio Layer 3.” MPEG
Audio is a compression specification that compresses the audio
portion only. This image compression method is used in DVD or
Video CD, etc. The audio data has been compressed into about
1/10.
What is WMA?
WMA is an abbreviation of “Windows Media Audio”, and is an
audio data compression format developed by Microsoft
Corporation. Sound quality of data compressed using WMA is
the same as that of MP3, though the WMA file size is smaller
than that of MP3.
On an MP3/WMA disc, each material (song) is recorded on each
Track (file), which usually belongs to a Group (folder).
This unit can recognize up to 99 Groups and up to 150 Tracks
per Group.
If a disc includes more than the Tracks above limit, the unit stops
detecting Tracks when the number of detected Tracks reaches the
limit and ignores the subsequent Tracks. The unit also ignores
any non-MP3/WMA file in the disc.
NOTES:
● Because of the disc characteristics or recording condition,
some discs may not be played back or it takes time to start
playback.
● The unit does not support “packet writing” discs.
● If there are any Tracks (files) which are stored on a disc directly
and do not belong to any Group (directory), the unit
recognized them as belonging to an independent Group.
● The unit plays back Groups/Tracks on an MP3/WMA disc in
the alphabetical order.
● For example, if there are three title Groups [one], [two] and
[three] on a disc, the playback order is [one], [three] then
[two]. Tracks in a Group are played back in the same way.
● Therefore, an MP3/WMA disc on the market may be played
back in the different order from the order printed on its sleeve.
MP3/WMA control display
The MP3/WMA control display appears on the TV screen and
playback starts when an MP3/WMA disc is loaded.
* Elapsed playing time of current track
Elapsed playing time is only shown during playback.
NOTES for making a private MP3/WMA disc using a
CD-R/CD-RW disc:
● Select “ISO9660” as the disc format.
● Finalize the disc.
Track A.mp3
Track B.mp3
Track C.mp3
Group 2
Group 4
Group 3
Group 1
Track D.mp3
Track E.mp3
Track F.mp3
MP3 disc
Total group number on
disc
Current track
Current group
Current track
number
Total track number
on disc
Total track number
in current group
Current group
number
*
XVS44U_08DVD.fm Page 62 Wednesday, September 3, 2003 3:52 PM