Operation Manual

Niagara SCX User Guide
ViewCast 137
Term
Acronym
Definition
Lossy Compression
 An encoding or compression method that eliminates
redundant and unnecessary data in a file to compress it
more tightly.
 It occurs to data that you compress and then decompress
to retrieve data that may be different from its original but
still close enough to use.
Media Access Control
Address
MAC
 A hardware address that uniquely identifies each node of
a network.
 In IEEE 802 networks, it interfaces directly with the
network medium.
 In OSI Reference model networks, its designation is Data
Link Control (DLC) address.
Moving Picture Experts
Group – 4
MPEG-4
 Defines how you transmit multimedia streams – video,
audio, text, and data – as individual objects.
 A compression/decompression technology that strives to
achieve interactivity, efficiency, and stability in narrow-
band transmissions.
 Aims to pave the way toward a uniform, high quality
encoding/decoding standard to replace the many
proprietary streaming technologies used on the Internet
today.
Multicast
 Applies when sending a piece of information from one or
more points to a set of other points.
 Multicasting, a networking technique, delivers the same
packet simultaneously to a group of clients.
National Television
System Committee
NTSC
 The analog television system used in the United States,
Canada, Japan, Mexico, the Philippines, South Korea,
Taiwan, and some other countries.
 It also refers to the name of the U.S. standardization body
that adopted it.
Network Interface Card
NIC
 A card (hardware) that connects to a wire-based network
such as token ring or Ethernet.
 It allows computers to communicate over a computer
network.