MP3 Mode Operations

English

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 12 percent of its initial size with a high quality sound. 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.

Precautions when creating MP3 disc

File extensions

Always add a file extension ".MP3" to MP3 file by using single byte letters. If you add a file extension other than specified or forget to add the file exten- sion, the file cannot be played.

Logical format (File system)

When writing MP3 file on a CD-R disc or CD-RW disc, please select "ISO9660 level 1, 2, 3 or JOLIET or Romeo" as the writing software format. normal play may not be possible if the disc is recorded on another format.

The folder name and file name can be displayed as the title during MP3 play but the title must be within 16 (Folder Name) or 28 (File Name) single byte alphabetical letters and numerals (excluding an extension)

Number of files or folders

The MP3 recording media reproducible on this unit has the following limitations :

1.Maximum number of files : 254

2.Maximum number of folders : 128

3.Some noise may occur depending on the type of encoder software used while recording.

MP3 playing order

When selected for play folder up down functions, files and folders are accessed in the order in which they were written by the CD-ROM writer.

Because of this, the order in which they are expected to be played may not match the order in which they are actually played. You may be able to set the order in which MP3 are to be played by writing them onto a medium such as a CD-R with their file names beginning with play sequence numbers such as "01" to "99", depending on your CD writer.

For example, a medium with the following folder/ file hierarchy is shown below.

Example of a medium's folder/file hierarchy

Folder up down function

1.This function enables you to search for a folder on the MP3 CD. The LCD will show the target MP3 CD folder.

[UP] – Folder up

[DN] – Folder down

2.When a desired folder is selected, the MP3 CD player will play 1st track of target folder.

Note:

The folder which contents of no MP3 file will be skipped.

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