Definitions

Dolby Digital

Dolby Digital is a technology developed by Dolby Laboratories.

Audio tracks encoded in Dolby Digital can reproduce from one to 5.1 discrete channels of excellent quality audio.

Letterbox screen

This refers to a screen on which the playback picture of wide-screen DVDs appears with black bands running along the top and bottom.

Pan & Scan screen

This refers to a screen on which the playback picture of wide-screen DVDs is cut off at the left and right sides.

Title, Chapter (DVD)

DVDs are divided into some large sections (titles) or some small sections (chapters). Each section is numbered: these numbers are called "Title number" or "Chapter number".

Title 1

Title 2

Chapter 1

Chapter 1

Chapter 2

Chapter 2

……

……

 

 

Track (CD)

 

CDs are divided into some sections (tracks). Each section is numbered; these numbers are called "Track numbers".

Track 1

Track 2

Track 3

……

JPEG

JPEG is a common picture format that has small file size and low quality loss rate of picture. Hundreds of pictures can be stored on a disc in this format. To create a digital photo album from film pictures, have a photo processing shop make a "PICTURE CD" in JPEG format.

The figure on the right displays the root folder, folders and files of a typical picture CD.

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Polaroid PDM-0723 operation manual Definitions, Dolby Digital