The working life of security devices like card readers and cameras has tended to be 10 to 15 years or more. Whether or not to replace them depends on the bigger picture context. For companies having a ...

Following are the encoding variables for the analog NTSC, PAL and SECAM broadcasting and recording formats. For digital formats, see video format. PAL and SECAM are still used in some countries. VHS ...

Why doesn’t this kind of stuff ever happen to us? One lucky day back in high school, [Dave Sieg] stumbled upon a room full of new equipment and a guy standing there scratching his head. [Dave]’s ...

In a digital world, is there any reason to consider an analog camcorder? Not unless you're an artist seeking a fuzzy, old-fashioned look in your videos, a veteran shooter with piles of analog tapes of ...

Former CNET editor Dong Ngo has been involved with technology since 2000, starting with testing gadgets and writing code for CNET Labs' benchmarks. He managed CNET's San Francisco Labs, reviews 3D ...

(1) For HD surveillance interfaces, see HD Analog. (2) Over the years, there were several high-definition analog TV/video formats. The most notable was the Hi-Vision system in Japan that broadcast ...

The TW9966 includes four high quality NTSC/PAL/SECAM video decoders that convert analog composite video signal to digital component YCbCr data for automotive applications. Each channel contains a ...

Cities interested in building out real-time crime centers often find it worthwhile to upgrade older analog surveillance cameras to digital units that operate over IP networks — an approach that offers ...

Intersil Corporation introduced the TW9990, a highly integrated analog video decoder that eliminates the need for external op amps while enabling performance advantages through programmable ...

David leads the Hardware team at CNET, covering phones, wearables, laptops, TVs, streaming, future tech and more. We provide helpful, expert reviews, advice and videos on what to buy and how to get ...

We’re used to computers with display screens, yet how many of us have created the circuitry to drive one directly? Sure, we’ve coded up an SPI display driver on a microcontroller, but create the ...

Noise is defined as an unwanted parasitic signal superimposed on the wanted signal. The effect of the noise on the reproduced picture is expressed as signal-to-noise ratio (SNR). As a signal passes ...