Live electronic music (also known as live electronics and electroacoustic improvisation) is a form of experimental music that can include the use of electroacoustic instruments, various electronic sound generating devices, and computers, but which generally excludes the use of prerecorded or sampled material. Initially the practice developed in reaction to sound-based composition for fixed media such as musique concrète, electronic music and early computer music. Musical improvisation often plays a large role in the performance of this music. The timbres of various sounds may be transformed extensively using devices such as amplifiers, filters, ring modulators and other forms of circuitry (Sutherland 1994, 157). Widespread adoption of mobile computing has led to an increase in the use of computers in live electronics. Real-time generation and manipulation of audio using laptop computers is now commonplace.
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... Live coding is also an increasingly popular technique in programming-related lectures and conference presentations, and has been described as a "best practice" for computer science lectures by Mark Guzdial (2011). ...