Panasonic C9701U Operating Instructions Manual page 15

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 figures refer to data recorded on a
650MB CD-R or CD-RW at a fixed bit rate of 128 kbps
and a sampling frequency of 44.1 kHz).
Notes:
¡ MP3/WMA encoding and CD writing software pro-
grams are not supplied with this unit.
¡ CD 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 recom-
¡
mended for high quality sound.
¡ 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 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 play back.
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 dam-
age, but also damage your hearing.
28
CQ-C9901U/C9801U/C9701U
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 file name/folder name: within 64
characters.
¡ Name files and folders in accordance with the stan-
dard of each file system. Refer to the instructions of
writing software for details.
¡ ASCII character set and special characters in each lan-
guage can be displayed.
ASCII character set
A to Z, a to z, digits 0 to 9, and the following sym-
bols:
(space) ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ˆ
_ ` { | } ~
Notes:
¡ 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 convert-
ed into an asterisk ( ).
*
It is recommended that the length of the file name is
¡
less than 8 (excluding the file extension).
Recording MP3/WMA files on a CD-media
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 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 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 com-
ply with the rules of each file system.
¡ The file extension ".mp3" or ".wma" should be
assigned to each file depending on the file format.
Compression formats
(Recommendation: "Points to remember when making MP3/WMA files" 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. 2, 8 64 k-192 kbps
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.)
Notes:
¡ 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 play-
back 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.
Windows Media, and
the Windows logo are
trademarks, or regis-
tered trademarks of
Microsoft Corporation
in the United States
and/or other countries.
CQ-C9901U/C9801U/C9701U
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.
¡ 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 mode CD, CD Extra are
not supported.
VBR Sampling frequency
Yes 32, 44.1, 48 kHz
Yes 16, 22.05, 24 kHz
No 32, 44.1, 48 kHz
Root Folder
1
(Root Directory)
2
q
Folder Selection
4
e
In the order
1 – 8
3
w
File Selection
In the order
–
5
q y
6
r
8
t
y
7
Tree 1 Tree 2 Tree 3 Tree 4 Tree 8
(Max.)
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.
No warranty
Above description complies with our investigations as of
December 2004. It has no warranty for reproducibility
and displayability of MP3/WMA.
29