One such non-binary digital signal is Morse code, along with similar signals beamed from Earth to track down aliens of unknown analog/digital designation. Morse code, the dots-and-dashes method of ...

Sometimes, you need a repetitive signal such as a sine wave or clock, but other times, you need an arbitrary signal that represents a real-world event. Sometimes, you need digital bit patterns. The ...

A few other stations will be off the air temporarily, available only through cable and satellite. In Syracuse, N.Y., NBC affiliate WSTM shut down both analog and digital signals at midnight.

After a delay of nearly 12 hours, the FCC on Tuesday night approved a regulation forcing cable operators to carry both analog and digital TV channels transmitted by some local TV stations.

About a quarter of the nation's TV stations cut off their analog signals Tuesday, causing sets to go dark in households that were not prepared for digital television despite two years of warnings ...

With some, however, we received the analog signal but not the digital one. When the digital signal for the main (HD1) service wasn't strong enough, the radio switched to the analog broadcast.

(AP) -- The last major TV stations that are still broadcasting in analog will turn those signals off Friday and go all digital. And this time, they really mean it.

Local TV stations with weak analog reception may disappear completely when the digital converter is used, Lodge said. Cox is offering free installation of cable television service within 48 hours.

But the same can’t be said of neural signals, where digital and analog signals are hard to tell apart. So a useful step forward would be a way to distinguish between neural signals that are ...