Signal original form to a waveform expressed as a current ("I") or a voltage ("V"), or an electromagnetic waveform, for example, an optical signal or radio transmission. Once expressed as an electronic signal, the signal is available for further processing by electrical devices such as electronic amplifiers and electronic filters, and can be transmitted to a remote location by electronic transmitters and received using electronic receivers. In Electrical engineering programs, a class and field of study known as "signals and systems" (S and S) is often seen as the "cut class" for EE careers, and is dreaded by some students as
Signal – The Southeast Electronic Music Festival was held on April 10–12, 2008. Although somewhat smaller in scope than the first two years, the festival still showcased many well-known electronic and hip-hop artists, including: The fourth Signal festival was held April 16–19, 2009. Over 50 artists performed over the four days, including: Signal – The Southeast Electronic Music Festival Signal – The Southeast Electronic Music Festival is an annual music festival held in Chapel Hill and Carrboro, North Carolina. It is sometimes colloquially referred to as Signalfest or Signal Fest. Begun in 2006 by a group of Chapel Hill DJs and producers seeking to build on the