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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/orother
countries.
• To
disable
DRM (Digital Rights
Management)
1.
When using Windows Media Player
9,
click
on
TOOL ...
OPTIONS'"
MUSIC RECORD tab,
then under Recording settings, uncheck the
Check box for RECORD PROTECTED
MUSIC. Then, reconstruct files.
Personally constructed WMA files are used at
your own responsibility.
2.
When using Windows Media Player 10, click
on
TOOLS'"
OPTIONS'"
RIP MUSIC tab,
then under RIP SETTINGS, uncheck the
Check box for COPY PROTECT MUSIC.
Then, reconstruct files.
Personally constructed WMA files are used at
your own responsibility.
Precautions when
creating
MP31
WMA
files
• Usable
sampling
rates and
bit
rates
• MP3: Sampling rate 11.025 kHz-48 kHz,
Bit rate 8 kbps-320 kbps
I VBR
• WMA: Bit rate 48 kbps-1
92
kbps
• File
extensions
• Always add a file extension ".MP3" or ".WMA"
to MP3 or WMAfile 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.
• Files without MP3IWMA data will not play. The
indication "--:--" appears
in
the play time
display if you attempt to play files without
MP31
WMA data.
• Logical
format
(File system)
• When writing MP3IWMA file
on
a CD-R disc or
CD-RW disc, please select "1509660 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.
• 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).
•
Do
not affix a name to a file inside a folder
having the same name.
• Folder
structure
• A disc with a folder having more than 8
hierarchical levels will be impossible.
•
Number
of
files
or
folders
•
Up
to 255 files can be recognized per folder.
Up
to 512 files can be played.
• 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).
• Some noise may occur depending
on
the type
of encoder software used while recording.
CMD5
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