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IDIS Glossary


Dictionary about IDIS products description.

home Support Glossary


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  • [G]GoP (Group of Pictures)

    In MPEG video encoding, a group of pictures, or GoP, specifies the order in which intra-frames and inter-frames are arranged.

  • 85
  • [F]Fast Address

    A system for setting the address of the camera remotely from the control system.

  • 83
  • [D]DNS (Domain Name System)

    An internet service that translates domain names into IP addresses. Because domain names are alphabetic, they’re easier to remember.

  • 82
  • [D]DNR (Dynamic Noise Reduction)

    Image noise is interference in the video signal that shows up as grainy specks. It can be caused by low lighting situation, a nearby power interference, heat, or device algorithms DNR is a technique of removing image noise from a video signal by applying a digital comb filter. It makes images clearer and reduces video file size.

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  • [D]Duplex

    Term used to define the direction of data transmission between two parties. Half-duplex allows data transmission in both directions but not simultaneously. Full-duplex allows simultaneous data transmission.