The IP surveillance market has boomed over the past decade with dozens, if not hundreds, of new players emerging and traditional CCTV manufacturers expanding into networked technologies. With the ...

In previous episodes of this long-running series looking at the world of high-quality audio, at every point we’ve stayed in the real world of physical audio hardware. From the human ear to the ...

Today, we’re going to talk about lossless compression. So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily ...

Because video clips are made up of sequences of individual images, or “frames,” video compression algorithms share many concepts and techniques with still-image compression algorithms. Therefore, we ...

Compression is the science of making data representations smaller, in order to decrease the data's bandwidth and storage requirements. Compression applications are everywhere: in computers (WinZip and ...

As the drive for newspapers to produce video grows, more and more photojournalists are having to learn how to make video look good on the Web. For those who never set out to be computer geeks, it can ...

Conventional analog composite systems use video information compression methods by restricting the bandwidth of the baseband luminance and chrominance signals to reflect the eye sensitivity to spatial ...