Interlace

The most common type of scanning used in televisions. It divides a screen into even and odd numbered fields for scanning, and then builds an image by combining them into one image (frame).

JPEG (Joint Photographic Experts Group)

A standardized image compression system proposed by the Joint Photographic Experts Group. It can reduce image data sizes to 1 to 10% of their original sizes, and works on digital photographs effectively.

MP3 (MPEG Audio Layer-3)

An audio file compression technology. It can reduce audio data sizes to about 10% of their original sizes while maintaining CD-level audio quality.

MPEG (Moving Pictures Experts Group)

International standard for digital video and audio compression generated by ISO (International Organization for Standardization) and IEC (International Electrotechnical Commission). Includes MPEG-1, MPEG-2, and MPEG-4. MPEG-1 offers VHS level video quality and is often used on video CDs. MPEG-2 offers S-VHS level video quality and is often used on DVDs.

Parental lock

(On DVD) Limits Disc play according to the age of the users or the limitation level in each country. The limitation varies from disc to disc; when it is activated, playback will be prohibited if the software’s level is higher than the user-set level.

(On Sirius Satellite Radio) Limits the channel (channel skip) to protect children from inappropriate contents. The limitation is set by channel basis.

Playback control (PBC)

An on-screen menu recorded on a Video CD or Super Video CD that enables interactive playback and searching.

Progressive Scan

A method of displaying all scanning lines in a frame at once, reducing flicker noticeable on a larger screen and creating a sharp and smooth image.

Region code

Many DVD discs include a region code so that the copyright owner can control DVD software distribution only to regions where they are ready to distribute. There are six regions codes, which restrict a DVD player to playing a DVD disc with the same region code.

Surround

A controller for creating realistic three-dimensional sound fields full of realism by arranging multiple speakers around the listener.

VR format (Video Recording format)

A DVD video recording format, which allows editing DVD video data recorded onto a disc. You need a VR format compatible player for playback.

GLOSSARY

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INFORMATION ADDITIONAL

English

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