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ENGLISH
18
DESCRIPTIONS OF MP3
Notes on MP3
•An MP3 file stores audio data compressed
using MPEG1, the audio layer-3 file-coding
scheme. We call files that have the “.mp3”
extension “MP3 files.”
•The unit can read MP3 files written in the format
compliant with ISO 9660. However it does not
support the MP3 data copied using a packet
writing utility.
•The unit cannot read an MP3 file that has a file
extension other than “.mp3.”
•If you play a non-MP3 file that has the “.mp3”
extension, you may hear some static.
•In this manual, we refer to what are called “MP3
file” and “folder” in PC terminology as “track”
and “album,” respectively.
•The unit can play up to 512 tracks per disc.
• The unit may not play tracks in the order of track
numbers.
• It may take 2 minutes or more to scan a CD-R or
CD-RW, depending on the complexity of the
folder tree.
•The unit plays only the audio tracks if a disc
contains both audio tracks and MP3 files.
Notes on indications in the display
•Up to 32 characters are displayed for the name
of an album or a track. Characters other than
uppercase letters (“A” to “Z”), lowercase letters
(“a” to “z”), numerals (“0” to “9”), and underscore
(“_”) may not be displayed.
•When playing MP3 files, the elapsed playing
time displayed may not be correct.
•To display up to 30 characters for a track name
or an artist’s name, ID3TAG version 1.x is
required. Characters other than uppercase
letters (“A” to “Z”), lowercase letters(“a” to “z”),
numerals (“0” to “9”), and underscore (“_”) may
not be displayed.
Notes on creating your own CD-Rs
or CD-RWs containing MP3 files
•To enjoy high sound quality, we recommend
storing MP3 files with a sampling frequency of
44.1 kHz and a fixed bit rate of 128 kbps.
• Do NOT store more than 512 MP3 files per disc.
•Note that the unit may not play tracks in the
order that you wrote them to the disc.
•The unit can read up to 5 sessions with a multi
session disc.
•For ISO 9660-compliant format, the maximum
allowable depth of nested folders is 8, including
the root directory (folder).
Tips on identifying the order of the
tracks
•Include a two- or three-digit number at the
beginning of each album or track name. (e.g.
“01,” “02,” … or “001,” “002,” …)
If you use the numbers such as “1,” “2,” “3,” …
”9,” “10,” “11,” …, the unit unexpectedly plays in
the order of “1,” “10,” “11,” … “2,” “20,” “21,” …
“3,” “30,” “31,” and so on.
•It is recommended that you use only the parent
folders (do not create child folders under a
folder).
•Writing software capable of writing MP3 files in
numerical and alphabetical order is required if
you want them in order. For details on using the
software, refer to the operating instructions
supplied with your software.