MP3 FILE PLAYBACK
MP3 (MPEG 1 Audio Layer-3) is a
standard technology and format for
compressing audio data. This allows a
more efficient use of the media.
You can play MP3 files recorded on
CD-ROMs, CD-Rs, and CD-RWs. The disc
must be in the ISO 9660 level 1 or level 2
format, or Joliet or Romeo in the
expansion format.
ISO 9660 format
This is the most common international
standard for the logical format of files and
folders on a CD-ROM.
It is divided into three separate levels
based on differences in file naming
procedures, data configuration and other
characteristics.
Bit rate
This refers to the volume of data per
second, expressed in bps (bits per
second). Generally, the larger the number
of the transfer bit rate when compressing
an MP3 file, the more information
regarding musical reproduction it carries,
and therefore the better the sound quality.
This unit can play MP3 files that have been
recorded in bit rates of 8 kbps to 320
kbps. Nonetheless, to ensure enjoyment
of music with consistent sound quality, it
is recommended to use discs that have
been recorded at a bit rate of 128 kbps
or more.
Multi session
A session is the complete amount of data
recorded from the beginning to the end
of a single period of CD-ROM,
CD-R/CD-RW data recording.
Multi-session refers to the existence of
data from two or more sessions on a
single disc. You can use a disc recorded
in Multi Session containing up to 40
sessions.
File formats
•
With formats other than ISO 9660 level
1 and level 2, folder names or file
names may not be displayed correctly.
•
When naming, be sure to add the file
extension “.MP3” to the file name.
•
If you put the extension “.MP3” to a
file other than MP3, the unit cannot
recognize the file properly and will
generate random noise that could
damage your speakers.
•
The following discs take a longer time
to start playback.
•
a disc recorded with complicated
tree structure.
•
a disc recorded in Multi Session.
•
a non-finalised disc to which data
can be added.
The maximum number of characters that
can be used for file names is as follows.
However, this unit will only display up to
30 characters, including the file extension
(.mp3).
Max number of
characters in a file
name including
'.mp3' extension
12
*
ISO 9660 level 1
31
*
ISO 9660 level 2
138
Compact disc player
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