Computer music can be defined as a type of
electronic music which is produced either directly by a computer or indirectly
by a computer-controlled synthesizer. Computers can produce a sound directly by
storing the waveform of that sound as a series of varying numbers in its memory
and then converting these numbers to voltages to drive a speaker. The string of
numbers can be manipulated by the computer at very fast speeds which accounts
for the amazing flexibility of computer synthesized music.
Although, theoretically, any sound could be produced in this manner, the
programming can get rather tedious. But computers are also being used to
sequence and to control the parameters of conventional synthesizer circuits.
This is much easier, but perhaps a bit less flexible, than directly computing
each waveform. This latter technique is the most popular today and accounts for
most of the music on this album.
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