Introduction

Disc structure

DVD VIDEO

A DVD VIDEO consists of “titles” and each title may be divided into “chapters”.

Title 1

Title 2

Chapter 1 Chapter 2 Chapter 3 Chapter 1 Chapter 2

DVD AUDIO

A DVD AUDIO consists of “groups” and each group may be divided into “tracks”.

Some discs include a “bonus group” that requires a password for playing (A page 28).

Group 1

Group 2

Track 1

Track 2

Track 3

Track 1

Track 2

VCD/SVCD/CD

VCD, SVCD and CD consist of “tracks”.

In general, each track has its own track number. (On some discs, each track may also be further divided by indexes.)

Track 1

Track 2

Track 3

 

Track 4

 

 

 

 

 

 

 

 

Track 5

MP3 [JPEG] discs

On an MP3 [JPEG] disc, each still picture (material) is recorded as a track [file]. Tracks [Files] are usually grouped into a folder. Folders can also include other folders, creating hierarchical folder layers.

This unit simplifies the hierarchical construction of a disc and manages folders by “groups”.

Group 1

Group 2

Track 1

Track 2

[File 1]

[File 2]

Group 3

Group 4

Group 5

This product can recognize up to 1000 tracks [files] in a disc. Also, the product can recognize up to 150 tracks [files] per group and up to 99 groups in a disc. Since the unit ignores the tracks [files] whose numbers are exceeding 150 and the groups whose numbers are exceeding 99, they cannot be played back.

If there is any type of files other than MP3 [JPEG] files in a folder, those files are also counted in the total file number.

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JVC EX-A1 manual Disc structure