GLOSSARY
MPEG-4
MPEG-4 is a standard used primarily to compress audio and video (AV)
digital data. Introduced in late 1998, it is the designation for a group of audio and video
coding standards
and related technology agreed upon by the ISO/IEC Moving Picture Experts Group (MPEG).
The uses for the MPEG-4 standard are web (streaming media) and CD
distribution,
conversation (videophone), and broadcast television, all of which benefit from compressing
the AV stream. MPEG-4 absorbs many of the features of MPEG-1 and MPEG-2 and other
related standards.
By MPEG-4 could be used a lot of different audio compression method. Most popular are
MP3 and AC3.
NTSC
Widespread TV standard, especially in US and Asia. 525 (480 viewable) Lines and 60 Hz
refresh rate. Describes the way the video information (brightness, colour, refresh rate etc.) is
transmitted. Within Europe, this video standard only appears on imported
media (like US
DVDs).
OSD
The OSD (On Screen Display) is all the menus and options shown on the screen.
PAL
European TV standard. PAL stands for Phase Alternation Line; refresh rate: 50 Hz, vertical
line resolution: 625 Lines, 576 visible lines. Describes the way the video information
(brightness, colour, refresh rate etc.) is transmitted.
PBC
PBC stands for playback control. This function can be used to show a menu on Video CD's
(if contained on the VCD). One can move in this menu with the arrow keys and select the
desired function with ―enter‖.
Photo-CD (JPEG CD)
A Photo-CD is a storage system for image storage on a CD-ROM in a platform independent
multi resolution structure (support of different resolutions and file formats, e.g. JPEG, BMP,
etc). As a single camera film dies not fill a complete CD, more films can be added to the CD
at a later time. A CD-ROM drive must be multi-session enabled to load images from a
Photo-CD.
58
