ADB340MP/ADB341MP
CDIMP3 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 com-
pression
to
about
10
percent
of
its initial size with
a high sound quality. 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.
Precautions when creating MP3 disc
• Usable sampling rates and bit rates:
1.
MP3: Sampling rate 8k Hz-48 kHz,
Bit rate: 8 kbps-320 kbps
I VBR
• File extensions
1. Always add a file extension ".MP3" to MP3
file by using single byte letters.
If
you add a file extension other than speci-
fied or forget to add the file
extension,
the
file cannot be played.
2.
Files without MP3 data will not play.
The indication
"-
-:-
-"
appears in the play
time display if you attempt to play files with-
out MP3 data.
• Logical format (File system)
1. When writing MP3 file
on
a CD-R disc or CD-
RW disc, please select "1809660 level 1, 2 or
JOLIET or Romeo" as the writing software
format. Normal play may not be possible if
the disc
is
recorded
on
another format. This
equipment does not support packet writing.
2.
The folder name and file name can be dis-
played as the title during MP3 play but the
title must be within 64 single byte alphabeti-
cal letters and numerals (including
an
exten-
sion). 32 characters when written in JOLIET
format.
3.
Do
not affix a name to a file inside a folder
having the same name.
• Folder structure
1. A disc with a folder having more than 8
hierarchical levels will
be
impossible.
• Number of files or folders
1.
Up
to 256 files (total number of folder and file)
can
be
played. The root folder is counted as
one folder.
2.
Tracks are played in the order that they were
recorded onto a disc. (Tracks might not al-
ways
be
played
in
the order displayed on the
PC.)
3.
Some noise may occur depending
on
the type
of
encoder software used while recording.
12
Multisession function
When a disc contains both normal
CD
type tracks
and MP3 type tracks mixedly, you can select
which type of the recorded tracks to play.
• Default value
is
"CD".
Each time you press and hold the [BND] button
for 1
second
or longer, the
mixed
mode is
switched between
CD
type or MP3 type.
The following indication appears
in
the title dis-
play when switching the track type to be played.
• Display when CD type track is selected:
t'1-5
CD
t
• Display when MP3 type track is selected:
t'1-5
t'1F'3
1. Types of recording that can
be
played are
as
follows.
~g
Set to
CD
Set to MP3
Disc
Mixed
with
CD
and
Play CD
Play MP3
MP3
type
tracks
CD
type track
Play CD
Play
CD
only
M
P3
type track
Play MP3 Play MP3
only
2.
After making these settings, remove the disc
and then reinsert it.
3.
When a mixed mode CD
is
loaded and
CD
is
set, the track to
be
played first
is
MP3 file data
and no sound is heard.
Loading
a CD
Insert a CD into the center of the insertion slot
with the label side facing up. The
CD
plays auto-
matically after loading.
Notes:
• Never insert foreign objects into the
CD
insertion
slot.
• When a CD is loaded
in
the unit, never try
to
in-
sert another CD in this case.
COM"CT
illJo~~
• Discs not bearing the
mJO~mJ
or
DIDITALAUD'D
mark and
D-!G1TALAUDID
~
CD-ROMs cannot be played
by
this unit.
• Some CDs recorded in CD-R mode
may
not be
usable.
• Even when recorded
in
CD-RWmode, some CDs
not be usable.
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