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DB356MP
MP3 Mode Operations
What is MP3?
MP3 is an audio compression method and clas-
sified into audio layer 3 of MPEG standards. This
audio compression method has penetrated into
PC users and become a standard format. This
MP3 features the original audio data compres-
sion to about 12 percent of its initial size with a
high quality sound. This means that about 10
music CDs can be recorded on a CD-R disc or
CD-RW disc to allow a long listening time with-
out having to change CDs.
Folder up down function
1. This function enables you to search for a folder
on the MP3 CD. The LCD will show the target
MP3 CD folder.
[
UP
]
– Folder up
[
DN
]
– Folder down
2. When a desired folder is selected, the MP3
CD player will play 1st track of target folder.
MP3 playing order
When selected for play folder up down functions,
files and folders are accessed in the order in which
they were written by the CD-ROM writer.
Because of this, the order in which they are
expected to be played may not match the order in
which they are actually played. You may be able
to set the order in which MP3 are to be played by
writing them onto a medium such as a CD-R with
their file names beginning with play sequence
numbers such as "01" to "99", depending on your
CD writer.
For example, a medium with the following folder/
file hierarchy is shown below.
Example of a medium's folder/file hierarchy
Precautions when creating MP3 disc
••
••
• File extensions
• Always add a file extension ".MP3" to MP3 file by
using single byte letters. If you add a file extension
other than specified or forget to add the file exten-
sion, the file cannot be played.
••
••
• Logical format
(
File system
)
• When writing MP3 file on a CD-R disc or CD-RW
disc, please select "ISO9660 level 1, 2, 3 or JOLIET
or Romeo" as the writing software format. normal
play may not be possible if the disc is recorded on
another format.
• The folder name and file name can be displayed
as the title during MP3 play but the title must be
within 16
(
Folder Name
)
or 28
(
File Name
)
single
byte alphabetical letters and numerals
(
excluding
an extension
)
••
••
• Number of files or folders
• The MP3 recording media reproducible on this unit
has the following limitations :
1. Maximum number of files : 254
2. Maximum number of folders : 128
3. Some noise may occur depending on the type of
encoder software used while recording.
Note:
• The folder which contents of no MP3 file will be
skipped.