Liu’s pathbreaking research aided the transition from analog to digital processing of sound, images and video. His Ph.D. students went on to become leading figures in academia and industry.

If you came of age in the 1990s, you’ll remember the unmistakable auditory handshake of an analog modem negotiating its connection via the plain old telephone system. That cacophony of screeches and ...

The distinction between analog and digital signals is very simple, but it can still be a challenge to wrap one's mind around the concepts that define the two systems. Just when you think you've got it ...

In the latest part of its Innovative Optical and Wireless Network (IOWN) project, designed to meet the growing needs of the hyper-connected business world of the future, NTT Corporation (NTT) has ...

Differences between digital and analog triggering. Advantages of digital triggering. How to tell what type of triggering is used by an oscilloscope. An oscilloscope’s trigger function, which ...