Extra Information
Niagara SCX User Guide
ViewCast 101
Appendix B: Terms and Acronyms
The following terms apply to related information contained in this publication.
Figure 157. Terms, Acronyms, and Definitions
Term Acronym Definition
Audio-Video
Interleaved
AVI
• Format for digital video and audio under Windows.
• The .AVI file format is cross-platform compatible and it
allows you to play AVI files under Windows and other
operating systems.
Common
Intermediate
Format
CIF
• A standard video format used in video conferencing.
• Define CIF formats by their resolution, and standards both
above and below the original resolution established.
• The original CIF is also known as Full CIF (FCIF).
• A frame size of 352 x 288 (width x width in pixels) for PAL
(European Standard).
• A frame size of 320 x 240 (width x width in pixels) for NTSC
(U.S. Standard).
Data rate The number of kilobits per second required to replay the
compressed video at the intended frame rate and quality.
Deblocking Filter Deblock
• Optional block edge filter within the coding loop.
• Reduces the appearance of block like artifacts that appear in
highly compressed video streams.
• Use during capture for real-time processing.
• Use during conversion or playback to enhance existing media
files.
Delay buffer A memory storage area to accumulate video data for the
compressor & ensure adequate data availability.
Digital Rights
Management
DRM
• Hardware manufacturers, publishers, and copyright holders
use this as an access control technology to limit use of digital
media or devices.
• Digital rights management allows the media or file issuers to
control in detail what others can and cannot do with a single
instance.
Distributed
Component
Object Model
DCOM A proprietary Microsoft technology for communication among
software components distributed across network computers.