Verint Nextiva S1700e Series Instrukcja Użytkownika Pobierz pdf (Strona 88)

Glossary

76 Verint Video Solutions

Nextiva The Verint next generation, enterprise-class video

management and analytics platform. Nextiva combines

enterprise and security data with mission-critical video,

leveraging existing investments in IT infrastructure, security,

and business systems to enhance security and improve

operational performance.

NTSC (National Television Standards Committee) The North

American standard (525-line interlaced raster-scanned video)

for the generation, transmission, and reception of television

signals. In addition to North America, the NTSC standard is used

in Central America, a number of South American countries, and

some Asian countries, including Japan. Compare with PAL.

NTP (network time protocol) A protocol designed to

synchronize the clocks of devices over a network.

OSD (on-screen display) Status information displayed on the

video monitor connected to a receiver edge device.

PAL (Phase Alternation by Line) A television signal standard

(625 lines, 50 Hz, 220V primary power) used in the United

Kingdom, much of western Europe, several South American

countries, some Middle East and Asian countries, several African

countries, Australia, New Zealand, and other Pacific island

countries. Compare with NTSC.

PTL (push-to-listen) In a two-way system, the communication

mode in which the listener must push a button while listening.

PTT (push-to-talk) In a two-way system, the communication

mode in which the talker must push a button while talking.

PTZ Camera (pan-tilt-zoom) An electronic camera that can be

rotated left, right, up, or down as well as zoomed in to get a

magnified view of an object or area. A PTZ camera monitors a

larger area than a fixed camera.

Receiver A device converting a digital video signal into an

analog form. Also called decoder.

Repeater A range extender for wireless links. The Nextiva

repeater is made up of two S3100 bridges.

RF (radio frequency) Any frequency within the electromagnetic

spectrum associated with radio wave propagation. When a

modulated signal is supplied to an antenna, an electromagnetic

field is created that is able to propagate through space. Many

wireless technologies are based on RF field propagation.

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 98 99

Brak uwag

Verint Nextiva S1700e Series Instrukcja Użytkownika Strona 88