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MP3/WMA Player
What is MP3/WMA?
MP3* (MPEG Audio Layer-3) and WMA (Windows Media
Audio) are the compression formats of digital audio.
The former is developed by MPEG (Motion Picture
Experts Group), and the latter is developed by Microsoft
Corporation. Using these compression formats, you
can record the contents of about 10 music CDs on a
single CD media (This fi gures refer to data recorded on
a 650 MB CD-R or CD-RW at a fi xed bit rate of 128 kbps
and a sampling frequency of 44.1 kHz).
* MPEG Layer-3 audio coding technology licensed from
Fraunhofer IIS and Thomson.
Note: MP3/WMA encoding and writing software is not
supplied with this unit.
Points to Remember When Making MP3/WMA Files
Common
• High bit rate and high sampling frequency are
recommended for high quality sounds.
• Selecting VBR (Variable Bit Rate) is not recommended
because playing time is not displayed properly and
sound may be skipped.
• The playback sound quality differs depending on
the encoding circumstances. For details, refer to
the instructions of your own encoding software and
writing software.
MP3
• It is recommended to set the bit rate to "128 kbps or
more" and "fi xed".
WMA
• It is recommended to set the bit rate to "64 kbps or
more" and "fi xed".
• Do not set the copy protect attribute on the WMA fi le
to enable this unit to play back.
Caution
Never assign the ".mp3", or ".wma" fi le
name extension to a fi le that is not in
the MP3/WMA format. This may not only
produce noise from the speaker damage,
but also damage your hearing.
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CQ-C3405U/C3305U
Display Information
TM
Displayed items
• CD-TEXT
• MP3 (ID3 tag)
Disc title
Album name
Track title
Title name/artist name
• MP3/WMA
• WMA (WMA tag)
Folder name
Album name
File name
Title name/artist name
Displayable characters
• Displayable length of fi le name/folder name: within
32 characters. (Unicoded fi le and folder names
are reduced by half in the number of displayable
characters.)
• Name fi les and folders in accordance with the standard
of each fi le system. Refer to the instructions of writing
software for details.
• ASCII character set and special characters in each
language can be displayed.
• Some Cyrillic characters in the Unicode can be
displayed.
ASCII character set
A to Z, a to z, digits 0 to 9, and the following symbols:
(space) ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ˆ _
` { | } ~
Special Characters
À Á Â Ã Å à á â ã å
Ä ä
Ò Ó Ô Õ Ö ò ó ô õ ö
Ù Ú Û Ü ù ú û ü
Notes:
• With some software in which MP3/WMA format fi les
have been encoded, the character information may not
be displayed properly.
• Undisplayable characters and symbols will be
converted into an asterisk ( ).
• It is recommended that the length of the fi le name is
less than 8 (excluding the fi le extension).
Windows Media, and the Windows
logo are trademarks, or registered
trademarks of Microsoft Corporation
in the United States and/or other
countries/regions.
Recording MP3/WMA Files on a CD-media
• You are recommended to minimize the chances of
making a disc that contains both CD-DA fi les and
MP3/WMA fi les.
• If CD-DA fi les are on the same disc as MP3 or WMA
fi les, the songs may not play in the intended order,
or some songs may not play at all.
• When storing MP3 data and WMA data on the same
disc, use different folders for each data.
• Do not record fi les other than MP3/WMA fi les and
unnecessary folder on a disc.
• The name of an MP3/WMA fi le should be added by
rules as shown in the following descriptions and also
comply with the rules of each fi le system.
• The fi le extension ".mp3" or ".wma" should be
assigned to each fi le depending on the fi le format.
Compression formats
(Recommendation: "Points to remember when making MP3/WMA fi les" on the previous page)
Compression method
Bit rate
MPEG 1 audio layer 3 (MP3)
32 k – 320 kbps
MPEG 2 audio layer 3 (MP3)
8 k – 160 kbps
Windows Media Audio Ver. 7, 8, 9*
32 k – 192 kbps
* WMA 9 Professional/LossLess/Voice are not supported.
Folder Selection Order/File Playback Order
Maximum number of fi les/folders
• Maximum number of fi les: 999
• Maximum number of fi les in one folder: 255
• Maximum depth of trees: 8
• Maximum number of folders: 255 (Root folder is
included.)
Notes:
• You can shorten the duration between data read and
playback by decreasing the quantity of fi les or folders,
or the depth of the hierarchy.
• This unit counts the number of folders irrespective of
the presence or absence of an MP3/WMA fi le.
• If the selected folder does not contain any MP3/WMA
fi les, the nearest MP3/WMA fi les in the order of
playback will be played.
• Playback order may be different from other MP3/WMA
players even if the same disc is used.
• "ROOT" appears when displaying the root folder name.
Copyright
It is prohibited by copyright laws to copy, distribute and
deliver copyrighted materials such as music without the
approval of copyright holder except enjoying yourself
personally.
• You may encounter trouble in playing MP3/WMA
fi les or displaying the information of MP3/WMA
fi les recorded with certain writing software or CD
recorders.
• This unit does not have a play list function.
• Although Multi-session recording is supported, the use
of Disc-at-Once is recommended.
Supported fi le systems
ISO 9660 Level 1/Level 2, Apple Extension to ISO 9660,
Joliet, Romeo
Note: Apple HFS, UDF 1.50, Mix CD and CD Extra are
not supported.
VBR
Sampling frequency
Yes
32, 44.1, 48 kHz
Yes
16, 22.05, 24 kHz
Yes
32, 44.1, 48 kHz
Root folder
(Root Directory)
1
2
Folder Selection
In the order
1
8
4
File Selection
3
In the order
5
6
8
7
Tree 1
Tree 2
Tree 3
Tree 4
Tree 8
(Max.)
No warranty
Above description complies with our investigations
as of September 2006. It has no warranty for
reproducibility and displayability of MP3/WMA.
CQ-C3405U/C3305U
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