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CQ-DFX683/DF583/DF203U
MP3/WMA Player (continued)
Notes on MP3/WMA
CQ-DFX683U CQ-DF583U
❐ What is MP3/WMA?
Common
≥ High bit rate and high sampling frequency are
recommended for high quality sounds.
≥ Selecting VBR (Variable Bit Rate) is not recom-
mended 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 user manual of your own encoding software
and writing software.
MP3
≥ It is recommended to set the bit rate to “128 kbps
or more” and “fixed”.
WMA
≥ It is recommended to set the bit rate to “64 kbps
or more” and “fixed”.
≥ Do not set the copy protect attribute on the WMA
file to enable this unit to playback.
Caution:
≥ Never assign the “.mp3”, or “.wma” file name extension to a file that is not in the MP3/WMA format.
This may not only produce noise from the speaker damage, but also damage your hearing.
Compression formats (Recommend: “Points to remember when making MP3/WMA files” on the previous page)
∫Displayable characters
≥ Displayable length of file name/folder name: within 128 characters
≥ Name files and folders in accordance with the standard of each file system. Refer to the instructions of writ-
ing software for details.
≥ ASCII character set and special characters in each language can be displayed.
ASCII character set
A to Z, a to z, digits 0 to 9, and the following symbols:
(space) ! ” # $ % & ’ ( ) * + , - . / : ; < = > ? @ [ \ ] ˆ _ ` { | } ~
Note:
≥ With some software in which MP3/WMA format files have been encoded, the character information may not
be displayed properly.
≥ Undisplayable characters and symbols will be converted into an asterisk.
1
1
4
5
6
2
3
6
Tree 1
Folder selection
In the order
Root folder (root directory)
Tree 2 Tree 3
File selection
In the order
[1
[
1
[2
[3
[4
[
4
to
to
Tree 8 (Max.)
Note:
≥ This unit counts the number of folders irrespective of the
presence or absence of MP3/WMA file.
≥ If the selected folder does not contain any MP3/WMA
files, the nearest MP3/WMA files 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.
Maximum number of files/folders:
≥ Maximum number of files/folders: 999 (filesifolders)
≥ Maximum number of files in one folder: 255
≥ Maximum depth of trees: 8
≥
Maximum number of folders: 255 (Root folder is included.)
Copyright
It is prohibited by copyright laws to copy, distribute
and deliver copyrighted materials such as music
without the approval of copyright holder except en-
joying yourself personally.
No warranty
Above description complies with our investigations
as of December 2002. It has no warranty for repro-
ducibility and displayability of MP3/WMA.
≥ You are recommended to minimize the chances
of making a disc that contains both CD-DA files
and MP3/WMA files.
≥ If CD-DA files are on the same disc as MP3 or
WMA files, the songs may not play in the in-
tended 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 files other than MP3/WMA files and
unnecessary folder on a disc.
≥ The name of MP3/WMA file should be added by
rules as shown in the following descriptions and
also comply with the rules of each file system.
≥ You may encounter trouble in playing MP3/WMA
files or displaying the information of MP3/WMA
files recorded with certain writing software or CD
recorders.
≥ The file extension “.mp3” or “.wma” should be
assigned to each file depending on the file format.
≥ This unit does not have the play list function.
≥ Although Multi-session recording is supported,
the use of Disc-at-Once is recommended.
Supported file systems
ISO 9660 Level 1/Level 2, Apple Extension to ISO
9660, Joliet, Romeo
Note:
≥ Apple HFS, UDF 1.50, Mix CD (CD Extra) is not
supported.
Compression method Bit rate VBR Sampling frequency
MPEG 1 audio layer 3 (MP3) 32 kj320 kbps Yes 32, 44.1, 48 kHz
MPEG 2 audio layer 3 (MP3) 8 kj160 kbps Yes 16, 22.05, 24 kHz
Windows Medio Audio Ver. 2, Ver. 8 64 kj192 kbps No 32, 44.1, 48 kHz
Windows Media, and the Windows
logo are trademarks, or registered
trademarks of Microsoft
Corporation in the United States
and/or other countries.
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
❐ Points to remember when making MP3/WMA files
∫Displayed items
CD-TEXT
≥ Disc title
≥ Track title
MP3/WMA
≥ Folder name
≥ File name
MP3 (ID3 tag)
≥ Album title
≥ Artist name
≥ Title name
WMA (WMA tag)
≥ Album title
≥ Artist name
≥ Title name
❐ Display Information
❐ Recording MP3/WMA files on a CD-media
MP3 (MPEG audio layer 3) and WMA (Windows Media
TM
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 sin-
gle CD media. (This figures refer to data recorded on a 650 MB CD-R or CD-RW at a fixed bit rate of 128 kbps
and a sampling frequency of 44.1 kHz.)
Note:
≥ MP3/WMA encoding and writing software are not supplied with this unit.
≥ CD writing software is not supplied with this unit.
❐ Folder selection order/file playback order (example)