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How are MP3 files recorded and played back?
MP3 “tracks (files)” can be recorded in “group”—folders or
directories, in PC terminology.
During recording, the tracks and groups can be arranged
similarly to the tracks and folders/directories of computer
data. “Root” is similar to the root of a tree. Every track and
group can be linked to the root.
In compliance with ISO 9660, the maximum allowable depth
of nested directories—so called “hierarchy”—is eight
(inclusive of the root).
Playback order, track search order, and group search order of
the MP3 tracks recorded on a disc are determined by the
writing (or encoding) application; therefore, playback order
may be different from the one you have intended while
recording the groups and the tracks.
The illustration shows an ordinary example of how MP3
tracks are recorded on a CD-R or CD-RW, how they are
played back and how they are searched for on this unit.
• The numbers in circles next to the MP3 tracks ( ) indicate
the playback order and search order of the MP3 tracks.
Normally this unit plays back MP3 tracks in the recorded
order.
• The numbers inside the groups indicate the playback order
and search order of the groups on an MP3 disc. Normally
this unit plays back MP3 tracks in the groups in the
recorded order.
The groups marked with asterisk (*) will be skipped since
they do not include any MP3 tracks.
MP3 group/track configuration:
6
5
4
3
*
8
7
*
*
Root
1
2
Hierarchy
Groups
MP3 tracks
1
EN14-25.CA-HXZ7/9V[US,UN,UX]/1 22/1/03, 4:49 PM15