In data communications it is desirable to have faster transfer rates at lower costs. Data compression addresses these demands by reducing the amount of data that must be transferred over a medium of ...

Images transmitted over the world wide web are an excellent example of why data compression is important. Suppose we need to download a digitized color photograph over a computer's 33.6 kbps modem. If ...

Many methods of lossy compression have been developed; however, a family of techniques called transform compression has proven the most valuable. The best example of transform compression is embodied ...

One of the problems I have when producing screen cams is that my voice fades at the end of the day, making the tutorials I create less clear. Fortunately, this is a problem I can easily fix in Adobe ...