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.

CQ-DF783/DFX403U

27

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