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CQ-C7405W
MP3/WMA/AAC Player (continued)
Cautions as to compressed audio filesCautions as to the display
of this unit
Each of MP3 (MPEG Audio Layer-3), WMA (Windows Media™ Audio), and AAC (Advanced Audio Coding) is a format
for compressed audio file. These formats allow users to save all the files contained in approximately 10 pieces of
existing CDs on one piece of CD-R/RW.
Note: Each of encoding software is not included with this unit.
Display Information
Displayable characters
¡Displayable length of file name/folder name: within 64
characters. (Unicoded file and folder names are
reduced by half in the number of displayable charac-
ters.)
¡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:
¡Characters may be garbled depending on encoding
software to be used
¡Undisplayable characters and symbols will be convert-
ed into an asterisk (
*
).
¡Common
Folder name,
File name
¡MP3
Album name,
Title name/artist name
(ID3 tag)
¡WMA
Album name,
Title name/artist name
(WMA tag)
¡AAC
Album name,
Title name/artist name
(AAC tag)
Common
¡
High bit rate and high sampling frequency are recommended
for high quality sounds.
¡
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 encod-
ing circumstances. For details, refer to the user manual of
your own encoding software and writing software.
¡
Be sure to put an extension compatible with the format.
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.
AAC
¡
It is recommended to set the bit rate to “128 kbps or more”
and “Stereo”.
¡
Files with the extension of “.m4a” encoded using iTunes ver-
sion 6 are playable on this unit. Some of the files using
other encoders are not playable.
¡
Files encoded using Apple Lossless Encoder are not
playable.
¡
Files with copyright protection are not playable.
Caution
Never put an extension indicating compressed audio (such as “.mp3”, “.wma”, and “.m4a”) to
files other than compressed audio files. This may not only produce noise from the speaker
damage, but also damage your hearing.
Setting at file making
8, 11.205, 12, 16, 22.05,
24, 32, 44.1, 48 kHz
Yes24 k – 320 kbpsMPEG 4 AAC LC
32, 44.1, 48 kHzYes32 k – 192 kbpsWindows Media Audio Ver. 2, 7, 8, 9*
12, 11.205, 8 kHzYes8 k – 160 kbpsMPEG 2.5 audio layer 3 (MP3)
16, 22.05, 24 kHzYes8 k – 160 kbpsMPEG 2 audio layer 3 (MP3)
32, 44.1, 48 kHzYes32 k – 320 kbpsMPEG 1 audio layer 3 (MP3)
Sampling frequencyVBRBit rateCompression method
Compression formats
* WMA 9 Professional/LossLess/Voice are not supported.