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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 ﬁ gures refer to data recorded on

a 650 MB CD-R or CD-RW at a ﬁ xed bit rate of 128 kbps

and a sampling frequency of 44.1 kHz).

* MPEG Layer-3 audio coding technology licensed from

Fraunhofer IIS and Thomson.

Note: MP3/WMA encoding and 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

recommended for high quality sounds.

• Selecting Variable Bit Rate (VBR) 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 instructions of your own encoding software and

writing software.

MP3

• It is recommended to set the bit rate to "128 kbps or

more" and "ﬁ xed".

WMA

• It is recommended to set the bit rate to "64 kbps or

more" and "ﬁ xed".

• Do not set the copy protect attribute on the WMA ﬁ le

to enable this unit to play back.

Caution

Never assign the ".mp3", or ".wma" ﬁ le

name extension to a ﬁ le that is not in

the MP3/WMA format. This may not only

produce noise from the speaker damage,

but also damage your hearing.

CQ-C3305W

Display Information

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 ﬁ le name/folder name: within

32 characters. (Unicoded ﬁ le and folder names

are reduced by half in the number of displayable

characters.)

• Name ﬁ les and folders in accordance with the standard

of each ﬁ le system. Refer to the instructions of writing

software for details.

• ASCII character set and special characters in each

language can be displayed.

• Some Cyrillic characters in the Unicode can be

displayed.

ASCII character set

A to Z, a to z, digits 0 to 9, and the following symbols:

(space) ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ˆ _

` { | } ~

Special Characters

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

Notes:

• With some software in which MP3/WMA format ﬁ les

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 ﬁ le name is

less than 8 (excluding the ﬁ le extension).

Windows Media, and the

Windows logo are trademarks,

or registered trademarks of

Microsoft Corporation

in the United States

and/or other

countries/regions.

Recording MP3/WMA Files on a CD-media

• You are recommended to minimize the chances of

making a disc that contains both CD-DA ﬁ les and

MP3/WMA ﬁ les.

• If CD-DA ﬁ les are on the same disc as MP3 or WMA

ﬁ les, 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 ﬁ les other than MP3/WMA ﬁ les and

unnecessary folder on a disc.

• The name of an MP3/WMA ﬁ le should be added by

rules as shown in the following descriptions and also

comply with the rules of each ﬁ le system.

• The ﬁ le extension ".mp3" or ".wma" should be

assigned to each ﬁ le depending on the ﬁ le 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. 7, 8, 9*

32 k – 192 kbps

* WMA 9 Professional/LossLess/Voice are not supported.

Folder Selection Order/File Playback Order

Maximum number of ﬁ les/folders

• Maximum number of ﬁ les: 999

• Maximum number of ﬁ les in one folder: 255

• Maximum depth of trees: 8

• Maximum number of folders: 255 (Root folder is

included.)

Notes:

• You can shorten the duration between data read and

playback by decreasing the quantity of ﬁ les or folders,

or the depth of the hierarchy.

• This unit counts the number of folders irrespective of

the presence or absence of an MP3/WMA ﬁ le.

• If the selected folder does not contain any MP3/WMA

ﬁ les, the nearest MP3/WMA ﬁ les in the order of

playback 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.

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.

• You may encounter trouble in playing MP3/WMA

ﬁ les or displaying the information of MP3/WMA

ﬁ les recorded with certain writing software or CD

recorders.

• This unit does not have a play list function.

• Although Multi-session recording is supported, the use

of Disc-at-Once is recommended.

Supported ﬁ le systems

ISO 9660 Level 1/Level 2, Apple Extension to ISO 9660,

Joliet, Romeo

Note: Apple HFS, UDF 1.50, Mix CD and CD Extra are

not supported.

VBR

Sampling frequency

Yes

32, 44.1, 48 kHz

Yes

16, 22.05, 24 kHz

Yes

32, 44.1, 48 kHz

Root folder

(Root Directory)

Folder Selection

In the order

File Selection

In the order

Tree 1

Tree 2

Tree 3

Tree 4

Tree 8

(Max.)

No warranty

Above description complies with our investigations

as of September 2006. It has no warranty for

reproducibility and displayability of MP3/WMA.

CQ-C3305W