Polaroid 20080421 Definitions, Letterbox screen, Pan & Scan screen, Title, Chapter DVD, Track CD

Definitions

Letterbox screen

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

Pan & Scan 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.

Title, Chapter (DVD)

DVDs are divided into some large sections (titles) and some small sections (chapters). Each section is num- bered as chapter or title numbers

Title 1

Chapter 1

Chapter 2

........

Title 2

Chapter 1

.......

Track (CD)

CDs are divided into some sections (tracks). Each section is numbered as tracks.

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 pic- tures can be stored in a disc in this format. In order to utilize the real digital album, use film to make a picture CD in JPEG format.

26