Glossary – National Instruments Monochrome Image Acquisition Device NI 1410 User Manual
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© National Instruments Corporation
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Glossary
A
A/D
Analog-to-digital.
ADC
Analog-to-digital converter. An electronic device, often an integrated
circuit, that converts an analog voltage to a digital value.
address
Value that identifies a specific location (or series of locations) in memory.
antichrominance filter
Removes the color information from the video signal.
ASIC
Application-Specific Integrated Circuit. A proprietary semiconductor
component designed and manufactured to perform a set of specific
functions for specific customer needs.
aspect ratio
The ratio of a picture or image’s width to its height.
B
buffer
Temporary storage for acquired data.
bus
A group of conductors that interconnect individual circuitry in a computer,
such as the PCI bus; typically the expansion vehicle to which I/O or other
devices are connected.
C
CCIR
Comite Consultatif International des Radiocommunications. A committee
that developed standards for video signals. Also used to describe signals,
boards, and cameras that adhere to the CCIR standards.
chroma
The color information in a video signal.
chrominance
See chroma.
CSYNC
Composite synchronization signal. Signals in a color video system that
multiplex all picture information into a single signal, such as NTSC, PAL,
or SECAM.