Notes on mp3/wma, Note, Caution – Panasonic CQ-DF783U User Manual
Page 27: Mp3 (ids tag), Displayable characters, Ascii character set, What is mp3/wma, Points to remember when making mp3/wma fiies, Display information
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The model CQ-DFX403U does not support MP3/WMA playback.
Notes on MP3/WMA
□ 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
b y
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:
• MP3A/VMA encoding and writing software are not supplied with this unit.
• CD writing software is not supplied with this unit.
□ Points to remember when making MP3/WMA fiies
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 tile that is not in the MP3/WMA format.
This may not only produce noise from the speaker damage, but also damage your hearing.
□ Display Information
■ Displayed items
CD-TEXT
MP3/WMA
• Disc title
• Folder name
• Track title
• Fiie name
WMA (WMA tag)
• Album title
• Artist name
• Title name
MP3 (IDS tag)
• Album title
• Artist name
• Title name
■ 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) ! ” # $ % & ’ ( ) * + , - . / : ; < = > ? i © [ \
Note:
Special characters
A A A A A a a a a a A a
O O O O O d d o o b
U U U U u u u i j
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.
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