COIMP31WMA
Operations
MP31WMA
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/orother
countries.
•
To
disable
DRM
(Digital Rights
Management)
1.
When using Windows Media Player
8,
click
on
TOOLS'"
OPTioNS
...
COPY MUSIC
tab, then under COPY
SETIINGS,
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
MP31
WMA
disc
• Usable sampling rates and bit rates
1.
MP3: Sampling rate 8 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.
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
JOll
ET or Romeo" as 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 64 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 510 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. .
DXZ275MP
/DXZ375MP
15
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