Operation Manual
Niagara SCX User Guide
ViewCast 91
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, 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.
Niagara Encoders
ViewCast Niagara® streaming media encoders deliver the
quality, features and ease-of-use convenience that
professional broadcasters demand.
These pre-configured, plug-and-play solutions enable
users to quickly capture and broadcast premium quality
audio and video in multiple formats and at multiple bit
rates – all simultaneously.