CDIMP3IWMA Operations
MP3IWMA
What
is
MP3?
MP3 is
an
audio compression method and
classified 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
compression 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 without having to change CDs.
What
is
WMA?
WMA
is
the abbreviation of Windows Media
Audio, an audio file format developed by
Microsoft Corporation.
Notes:
• Ifyou
playa
file with DRM (Digital Rights
Management) for
WMA
remaining
ON,
no audio
is output. (The
WMA
indicator blinks.)
• Windows Media
TM,
and
the Windows ® logo are
trademarks,
or
registered trademarks
of
Microsoft
Corporation in the United States and/or other
countries.
.To
disable DRM (Digital Rights Manage-
ment):
1.
When using Windows Media Player
8,
click
on TOOLS
...
OPTIONS'"
COpy
MUSIC
tab, then under
COpy
SETTINGS, unclick
the check box for PROTECT CONTENT.
Then, reconstruct files.
2.
When using Windows Media Player
9,
click
on
TOOL'"
OPTIONS'"
MUSIC RECORD
tab, then under Recording settings, unclick
the Check box for RECORD PROTECTED
MUSIC. Then, reconstruct files.
Personally constructed WMA files are used
at your own responsibility.
Precautions
when
creating
MP3IWMA
disc
• Usable sampling rates and bit rates:
1.
MP3: Sampling rate 11.025 kHz-48 kHz,
Bit rate: 8 kbps-320 kbps / VBR
2.
WMA: Bit rate 48 kbps-192 kbps
• File extensions
1.
Always add a file extension ".MP3" or
".WMA" to MP3 or WMA file by using single
byte letters. If you add a file extension other
than specified or forget to add the file
extension, the file cannot be played.
14
DB455MC
2.
Files without MP3IWMA data will not play.
The indication
"--:--"
appears
in
the play
time display if you attempt to play files
without MP3IWMA data.
•
logical
format (File system)
1.
When writing MP3IWMA file
on
a CD-R disc
or CD-RW disc, please select "IS09660 level
1,2
or JOLIET or
Romeo:~s
the writing
software format. Normal play may not
be
possible if the disc
is
recorded
on
another
format.
2.
The folder name and file name can be
displayed as the tItle during MP3IWMA play
but the title must be within 128 single·byte
alphabetical letters and numerals (including
an extension).
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 255 files can be recognized per folder.
Up to 500 files can be played.
2.
Tracks are played
in
the order that they were
recorded onto a disc. (Tracks might not
always
be
played
in
the order displayed
on
the PC.)
3.
Some noise may occur depending
on
the type
of encoder software used while recording.
Multisession function
When a disc contains both normal
CD
type tracks
and MP3IWMA 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 MP3IWMA type.
The following indication appears
in
the title
display when switching the track type to be
played.
• Display when CD type
track is selected:
• Display when MP3IWMA
type track is selected:
1.
Types of recording that can be played are as
follows.
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