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Glossary
Lossless compression
Finds repeated parts of the signal, removes them, then puts them back
in at the other end - important for data but not for voice.
Lossy compression
Use advanced modeling techniques to determine what is important to
the signal and what can be left out - signal should sound or look pretty
much same. This type of compression is used for audio and video. 50:1
Compression ratio means that a 50MB file becomes 1 megabyte.
MPEG
Standard used for coding and compressing moving pictures and
audio.
Multicast
Process where a single stream is servered from one server to multiple
clients. In other words it is a one-to-many communication.
NTSC
National Television Systems Committee which determines standards
for color picture broadcasting. Used in the USA, Canada and Japan…
PAL
Phase Alternating Line. Standard for television broadcast/reception used in
Europe.
PCI
Peripheral Component Interconnect. It has become one of the most industrial
computers. It solves a wide range of compatibility problems and performance
limitations that were encountered with the older ISA and VME standards.
Resolution
Typically determined by the quantity of pixels displayed per line or for a given
area. The better resolution is, the finer picture is.
Sampling
How often you measure analog video signals for transmission - ex. VCRversion.
SDK
Software Development Kit used by developers to quickly provide powerful
and innovative solutions.
Содержание Videum 1000 Plus
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