JVC KD-S847: MP3 INTRODUCTION

MP3 INTRODUCTION

What is MP3?

Precautions when recording MP3 files

on a CD-R or CD-RW

MP3 is an abbreviation of Motion Picture Experts

This unit can only read MP3 files that are

Group (or MPEG) Audio Layer 3. MP3 is simply a

recorded in the format that is compliant with ISO

file format with a data compression ratio of 1:10

ENGLISH

9660 Level 1, Level 2, or Joliet.

(128 Kbps*). That means, by using MP3 format,

one CD-R or CD-RW can contain 10 times as

much data volume as a regular CD can.

How are MP3 files recorded

* Bit rate is the average number of bits that one

second of audio data will consume. The unit

and played back?

used is Kbps (1024 bits/second). To get a better

audio quality, choose a higher bit rate. The

MP3 “files (tracks)” can be recorded in “folders”—

most popular bit rate for encoding is 128 Kbps.

in PC terminology.

During recording, the files and folders can be

This unit is incorporated with an MP3 decoder.

arranged in a way similar to arranging files and

You can play back MP3 files (tracks) recorded on

folders of computer data.

CD-Rs, CD-RWs, and CD-ROMs.

“Root” is similar to the root of a tree. Every file

and folder can be linked to and be accessed from

Compatible with ID3v1 (Version 1)

the root.

Extra information data such as album title,

performer name, song title, recording year, music

Playback order, file search order, and folder

genre and a brief comment can be stored within

search order of the MP3 files recorded on a disc

an MP3 file.

are determined by the writing (or encoding)

application; therefore, playback order may be

This unit can show ID3v1 (Version 1) tags (album

different from the one you have intended while

name, performer name, and song title) on the

recording the folders and the files.

display. (See page 17.)

• Some characters cannot be shown correctly.

The illustration on the next page shows an

• This unit is not compatible with ID3v2

example of how MP3 files are recorded on a

(Version 2).

CD-R or CD-RW, how they are played back, and

how they are searched for on this unit.

Other main features in this unit:

• Maximum number of folders/files:

Notes:

289 (Total)

• The unit can read a CD-ROM containing MP3 files.

• Available characters for folder/file names:

However, if non-MP3 files are recorded together

A–Z, 0–9, _ (underscore)

with MP3 files, this unit will take a longer time to

• Maximum number of characters for file name

scan the disc. It may also cause the unit to

(ISO 9660 Level 1): 12 (inclusive of

malfunction.

separation mark—“.”

• The unit cannot read or play an MP3 file without

and extension code

the extension code—mp3.

—“mp3”)

• This player is not compatible with the data encoded

(ISO 9660 Level 2): 31 (inclusive of

with Layer 1 and Layer 2 formats.

separation mark—“.”

• The unit is not compatible with Playlist**.

and extension code

—“mp3”)

**A playlist is a simple text file, used on a PC, which

(Joliet): 64 (inclusive of

enables users to make their own playback order

separation mark—“.”

without physically rearranging the files.

and extension code

—“mp3”)

• Maximum number of characters for folder

name: 64

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