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Notes on MP3
What is MP3
MP3 (MPEG Audio Layer-3) is a compression format of digital audio. MP3 is developed by MPEG (Motion Picture Experts
Group). Using this compression format, you can record the contents of about 10 music CDs on a single CD media (This fig-
ures 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 encoding and writing software is not supplied with this unit.
¡CD writing software is not supplied with this unit.
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Points to remember when making MP3 files
¡High bit rate and high sampling frequency are recom-
mended for high quality sounds.
¡VBR (Variable Bit Rate) is not recommended because
playing time is not displayed properly and sound may be
skipped.
¡Sampling frequency 16 kHz of MPEG-1 is not repro-
duced.
Caution: Never assign the ".mp3" file name extension to a file that is not in the MP3 format. This may not
only produce noise from the speaker damage, but also damage your hearing.
Display Information
Displayed items
MP3
MP3 (ID3 tag)
¡Folder name
¡Album
¡File name
¡Title and Artist
Displayable characters
¡Displayable length of file name/folder name: within 9 characters
¡Displayable length of ID3 tag data: within 20 characters
¡Name files and folders in accordance with the standard of each file system. Refer to the instructions of writing software
for details.
¡The unit recognizes only ASCII character set. Chinese characters, accented French characters and accented Spanish
characters will be converted into an asterisk.
¡Special characters can not be displayed.
¡Characters may not be displayed properly depending on discs.
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 format files 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 file name be less than 8 characters (excluding the file extension).
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CX-DH801W
¡The playback sound quality differs depending on the
encoding circumstances. For details, refer to the user
manual of your own encoding software and writing soft-
ware.
¡It is recommended to set the bit rate to "128 kbps or
more" and "fixed".
Special characters (example)
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
¡In some functions, operations of the DVD changer may be different from those of the control unit (example,
CQ-C9901W, CQ-VD7001W etc.)
Recording MP3 files on a CD-media
¡You are recommended to minimize the chances of
making a disc that contains both CD-DA files and MP3
files.
¡If CD-DA files are on the same disc as MP3 files, the
songs may not play in the intended order, or some
songs may not play at all. Do not record CD-DA files
and MP3 files on the same disc. Failure to observe
this may cause either of these two types to be
unplayable.
¡Do not record files other than MP3 files and unnecessary
folder on a disc.
¡The name of MP3 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 files or dis-
playing the information of MP3 files recorded with cer-
tain writing software or CD recorders.
Folder selection order/file playback order
Maximum number of files/folders
¡Maximum number of files: 999
¡Maximum number of files in one folder: 255
¡Maximum depth of trees: 8
¡Maximum number of folders: 255 (Root folder is included.)
Note:
¡This unit counts the number of folders irrespective of the
presence or absence of MP3 file.
¡Playback order may be different from other MP3 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 the copyright holder except for the purpose of
enjoying the content personally.
No warranty
The above description complies with our investigations as
of December 2004. There is no warranty for reproducibility
and displayability of MP3.
¡The file extension ". mp3 " 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.
¡Discs recorded by the packet writing software are not
supported.
Supported file systems
ISO 9660 Level 1/Level 2, Joliet, Romeo
Note: Apple Extension to ISO 9660, Apple HFS, UDF 1.50,
Mix CD, CD Extra are not supported.
According to the standard, "á", "ç", etc. can be used.
However, this unit does not display those letters.
Root Folder
1
(Root Directory)
Folder Selection
2
In the order
q
1
~
6
3
w
4
File Selection
e
In the order
5
~
6
q
r
r
Root
Tree 1
Tree 2
Tree 3
A file/folder number in the figure above does not corre-
spond with that of the direct file/folder selection.
CX-DH801W
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