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What's SD, HD, Full HD, Ultra HD?

Thursday, April 28, 2016 1:43:00 PM America/New_York

Over the past few years, driven by the consumer electronics market, HDTV LED/LCD television gradually replaces the traditional CRT television, HDTV technology achieve great success. As video surveillance now adopting HDTV, we usually hear several resolution standards including SD, HD, Full HD, Ultra HD. Compared with traditional CCTV video surveillance system, high definition means superior image quality.

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Comments | Posted in Basics By Urban Security Group

What is DOL WDR?

Friday, April 29, 2016 6:37:30 AM America/New_York

DOL WDR stands for Digital Overlap Wide Dynamic Range, and is the next generation Sensor-based WDR technology exclusively developed by Sony.

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Comments | Posted in Technology By Urban Security Group

D-WDR vs WDR vs BLC

Friday, April 29, 2016 7:04:04 AM America/New_York

Wide Dynamic Range (WDR) can be found as a feature in many security cameras, but what is wide dynamic range? Today we are going to explain three different wide dynamic range technologies, including D-WDR, WDR and Backlight Compensation (BLC).

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Comments | Posted in Basics By Urban Security Group

How to choose an IP network CCTV format security camera?

Friday, April 29, 2016 7:20:11 AM America/New_York

A network camera allows you to watch HD live video anywhere anytime, and record video footage in NVRs, Computers, smartphones or PCs. Some smart network cameras offer many amazing features including 2-way audio intercom, cloud storage, video social sharing, smart video analysis, motion detection, push notification, email alerts etc. Undeniable, A network camera becomes the essential electronics everyone has. With the variety of network cameras available, it is useful to have some guidelines when selecting a network camera.

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Comments | Posted in How To's By Urban Security Group

CCTV Video Resolutions Explained

Friday, April 29, 2016 7:39:45 AM America/New_York

CCTV Video Resolutions Explained

Resolution in an analog or digital world is similar, but there are some important differences in how it is defined. In analog video, an image consists of lines or TV-lines since analog video technology is derived from the television industry. In a digital system, an image is made up of square pixels.

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Comments | Posted in Basics By Urban Security Group

Network Cameras: Axis Part 2

Friday, April 29, 2016 7:58:11 AM America/New_York

Types of network cameras

Network cameras can be classified in terms of whether they are designed for indoor use only or for indoor and outdoor use. An outdoor camera requires an external, protective housing unless the camera design already incorporates a protective enclosure.

Network cameras, whether for indoor or outdoor use, can be further categorized into fixed, fixed dome, covert PTZ, and thermal network cameras.

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Comments | Posted in Basics By Urban Security Group

Day & Night: Axis Part 3

Friday, April 29, 2016 8:09:41 PM America/New_York

Day and night functionality

All types of network cameras—fixed, fixed dome, PTZ, and PTZ dome—can offer day and night functionality. A day and night camera is designed to be used in outdoor installations or in indoor environments with poor lighting.

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Comments | Posted in Basics By Urban Security Group

Optimized IR: Axis Part 4

Friday, April 29, 2016 8:14:46 PM America/New_York

Optimized IR?

Axis’ OptimizedIR technology is based on new, smart, power-efficient and patented LED technology. It is designed for easy, cost-efficient and environmental friendly installation. It results in high-quality, low-noise video, even when the environment is completely dark.

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Comments | Posted in Basics By Urban Security Group

Network Cameras: Axis Part 5

Friday, April 29, 2016 8:16:42 PM America/New_York

Megapixel network cameras

Megapixel network cameras, available in Axis’ fixed cameras and fixed dome cameras, incorporate a megapixel image sensor to deliver images with one million or more pixels. This is at least two times better pixel resolution than what can be provided by analog cameras.

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Comments | Posted in Basics By Urban Security Group

Axis Guidelines For Selecting A Network Camera

Friday, April 29, 2016 8:22:58 PM America/New_York

Guidelines for selecting a network camera

With the variety of network cameras available, it is useful to have some guidelines when selecting a network camera.

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Comments | Posted in How To's By Urban Security Group

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