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Glossary of common
Digital Video Surveillance Terms.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
N
Nanometer:
is a unit of length. 1 nm = one billionth of a meter or 10 -9 m.

Neutral density filter:
is a type of filter used with lenses which reduces light of all wavelengths equally.

Noise:
is an unwanted signal generated by every electronic component. The noise in a video signal causes a grainy or snowy effect on the image.

NTSC: National Television System Committee, Color TV system and standard used in the USA. CCTV

 

  

Brownwood Computer Innovations, Inc.
 207 West Commerce
P.O. Box 2268
Brownwood, TX 76804-2268
Phone - 325.643.9956 / Fax - 325.641.8330
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