AEON-LT HEVC 4K Transmitter
Commercial in Confidence
Revision: 1.0
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Page 10-24
N
Definition
NLOS
Non-line-of-sight
propagation refers to RF transmissions that travel in a
path obstructed by physical objects.
NTSC
National Television Systems Committee
is the analogue television system
used mainly, but not exclusively, in the Americas.
Noise
Unwanted disturbance in an electrical signal.
O
Definition
Omnidirectional antenna An antenna whose radiation pattern shows equal radiation in all horizontal
directions.
P
Definition
PAL
Phase Alternate Line
is the analogue television system used mainly, but not
exclusively, throughout the world (see NTSC).
PTZ
Pan-tilt-zoom
is a common way of referring to controllable cameras.
Q
Definition
QAM
Quadrature Amplitude Modulation
.
DTC products commonly use either the 16 state (16-QAM) or 64 state (64-
QAM) modulation schemes
QPSK
Quadrature Phase Shift Keying
digital modulation scheme.
R
Definition
RTSP
Real Time Streaming Protocol
is a network control protocol designed for the
transfer of real-time media data The protocol is used for establishing and
controlling media sessions between end points.
S
Definition
SDI
Serial Digital Interface
is a standard used for the transmission of
uncompressed digital video signals, often including embedded audio.
SNR
Signal to Noise Ratio
is an electrical engineering measurement defined as
the ratio of wanted signal power to the corrupting noise power.
The higher the ratio, the less obtrusive the background noise is.
Streaming
Streaming is the transmission of digital media over an IP network.
