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Serial digital interface (SDI)
A standard for transmitting
uncompressed digital video signals
and embedded audio over a single
coaxial cable.
SNMP (Simple Network
Management Protocol)
A protocol that allows you to monitor
and control connected devices via a
network. Using SNMP provides
benefits, such as being able to
quickly determine faulty devices
when network errors occur.
Streaming
A method of transferring audio and
data over a network for real-time
playback.
Subnet mask
An IP address, which indicates the
address of a device in a network, has
two components: a network address
(the address of the network) and a
host address (the address of an
individual computer). A subnet mask
is a value used to specify how many
bits in the IP address are reserved for
the network address. A subnet is a
smaller network created by dividing
a large network into two or more
parts.
Threshold
The level at which a limiter or
compressor is activated.
Thumbnail
An image which has been reduced in
size for the purpose of displaying a
list of many images.
Tilt
To move a camera up and down.
Transition
To switch the video and audio within
a specified duration.
Trim
To adjust the input level of audio
signals. These adjustments are
performed at the input stage, before
level adjustments with the audio
channel faders.
TRS
A jack with three contacts; the tip,
ring, and sleeve.
118
Glossary
VISCA
A protocol developed by Sony which
allows video equipment to be
connected to computers.
VOD (Video On Demand)
A system that allows video content to
be placed on a network, which
viewers can access freely.
Wipe
The next picture moves in to replace
the current picture, as if wiping the
old picture away.
XLR
A 3-pin connector, often called a
Cannon connector. A locking
mechanism keeps the connector
securely connected even when the
cable is pulled. Very stable despite its
simple structure, and often used on
microphones to suppress handling
noise.
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