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DiscPlayIntroduction
This unit has been designed to play back the following discs:
• CD (Audio CD)/CD-R (CD-Recordable)/CD-RW (CD-
ReWritable)
• MP3 disc (MP3 files recorded on a CD-R or CD-RW)*
Whenplayinga CD-RorCD-RW
User-edited CD-Rs (CD-Recordable) and CD-RWs
(CD-ReWritable) can be played back only if they have been
"finalized"
• You can play back your original CD-Rs or CD-RWs l_corded
in music CD format or in MP3 format. However, they may
not be played back depending on their characteristics or
recording conditions.
• Before playing back CD-Rs or CD-RWs, read their
instructions or cautions carefully.
• Some CD-Rs or CD-RWs may not play back on this unit
because of their disc characteristics, damage or stain on
them, or if the player's lens is dirty.
• CD-RWs may _quire a longer readout time. This is caused
by the fact that the reflectance of CD-RWs is lower than for
regular discs.
Aboutthe CDreadylamps
Each CD ready lamp shows the status of a disc placed on
each con_sponding disc tray (CD1 - CD5).
• CD ready lamps light up
When the disc is loaded and currently selected.
• CD ready lamps light slightly
When the disc is loaded, but not currently selected.
• CD ready lamp flashes
When the disc is played back or paused.
• CD ready lamps goes off
When the unit detects there is no disc loaded on a
certain tray. ("NO DISC # (number)" appe_s on the
display.)
_If the loaded disc is an MP3 disc
The corresponding CD ready lamp and the MP3 indicator will
light up.
*About MP3
MP3 is an abbreviation of Motion Pictu_ Experts Group l
(or MPEG_I) Audio Layer 3. MP3 is simply a file format
with a data compl_ssion ratio of 1:10 (128 kbps*). By using
MP3 format, one CD-R or CD-RW can contains 10 times as
much data volume as a regular CD can.
* Bit rate is the average number of bits that one second of audio
data will consume. The basic unit of measurement for bitrate is
kbps (1,024 bits per second). "Ibget a better audio quality, choose
a higher bit rate. The most populm" bit rate for encoding
(recording) is 128 kbps.
MP3discstructure
On an MP3 disc, each song (material) is l_corded as a file.
Files are grouped into a folder. Folders can also include other
dil_ctories, cleating hierarchical directory layers. (See "How
are MP3 files recorded and played back?" on page 14.)
This unit manages files and folders as "tracks" and "groups."
This unit can recognize up to 255 groups per disc (up to 999
tracks). The unit igno_vs those exceeding the maximum
numbers and cannot play them back.
_More about MP3 discs
• MP3 discs (eilher CD-R or CD-RW) require a longer readoat time.
(It varies due to the complexity of the recording configuralion.)
• When making an MP3 disc, select ISO 9660 Level 1 or Level 2 as
the disc formal.
• This unit does no1 support multisession recording.
• This unit can play MP3 files only with the following file extensions--
".MP3," ".Mp3," ".raP3," and ".mp3."
• Files other than MP3 are ignored.
• Some MP3 discs may not be played back because of their disc
chm'acteristics or recording conditions.
13
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