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Cd/mp3/wma operations, Mp3/wma, English – Clarion DXZ665MP User Manual

Page 18: M-sess cd m-sess mp3, What is mp3, What is wma, Precautions when creating mp3/ wma disc, Multisession function

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18

DXZ665MP

280-8331-00

English

MP3/WMA

What is MP3?

MP3 is an audio compression method and
classified into audio layer 3 of MPEG standards.
This audio compression method has penetrated
into PC users and become a standard format.

This MP3 features the original audio data
compression to about 10 percent of its initial
size with a high sound quality. This means that
about 10 music CDs can be recorded on a CD-
R disc or CD-RW disc to allow a long listening
time without having to change CDs.

What is WMA?

WMA is the abbreviation of Windows Media
Audio, an audio file format developed by
Microsoft Corporation.

Notes:
• If you play a file with DRM (Digital Rights

Management) for WMA remaining ON, no audio
is output (The WMA indicator blinks).

• Windows Media™, and the Windows ® logo are

trademarks, or registered trademarks of Microsoft
Corporation in the United States and/or other
countries.

To disable DRM (Digital Rights Management):

1. When using Windows Media Player 8, click

on TOOLS

OPTIONS

COPY MUSIC

tab, then under COPY SETTINGS, unclick
the check box for PROTECT CONTENT.
Then, reconstruct files.

2. When using Windows Media Player 9, click

on TOOL

OPTIONS

MUSIC RECORD

tab, then under Recording settings, unclick
the Check box for RECORD PROTECTED
MUSIC. Then, reconstruct files.

Personally constructed WMA files are used
at your own responsibility.

Precautions when creating MP3/
WMA disc

Usable sampling rates and bit rates:

1. MP3: Sampling rate 11.025 kHz-48 kHz,

Bit rate: 8 kbps-320 kbps / VBR

2. WMA: Bit rate 48 kbps-192 kbps

File extensions

1. Always add a file extension “.MP3” or

.WMA” to MP3 or WMA file by using single
byte letters. If you add a file extension other
than specified or forget to add the file
extension, the file cannot be played.

CD/MP3/WMA Operations

2. Files without MP3/WMA data will not play.

The indication “– –:– –” appears in the play
time display if you attempt to play files
without MP3/WMA data.

Logical format (File system)

1. When writing MP3/WMA file on a CD-R disc

or CD-RW disc, please select “ISO9660 level
1, 2 or JOLIET or Romeo” as the writing
software format. Normal play may not be
possible if the disc is recorded on another
format.

2. The folder name and file name can be

displayed as the title during MP3/WMA play
but the title must be within 64 single byte
alphabetical letters and numerals (including
an extension).

3. Do not affix a name to a file inside a folder

having the same name.

Folder structure

1. A disc with a folder having more than 8

hierarchical levels will be impossible.

Number of files or folders

1. Up to 255 files can be recognized per folder.

Up to 512 files can be played.

2. Tracks are played in the order that they were

recorded onto a disc. (Tracks might not
always be played in the order displayed on
the PC.)

3. Some noise may occur depending on the

type of encoder software used while
recording.

Multisession function

When a disc contains both normal CD type tracks
and MP3/WMA type tracks mixedly, you can
select which type of the recorded tracks to play.

Default value is “CD”.

Each time you press and hold the [BND] button
for 1 second or longer, the mixed mode is
switched between CD type or MP3/WMA type.
The following indication appears in the title
display when switching the track type to be
played.

Display when CD type

track is selected:

Display when MP3/WMA

type track is selected:

M-SESS CD

M-SESS MP3

1. Types of recording that can be played are as

follows.