Octophony
Eight (octo) Sounds (Phony), the use of eight loudspeakers to playback audio. In most octophonic systems each loudspeaker will receive a unique audio signal.
Organised sound
A term used to describe music, thus allowing any sound to be used as musical material.
Oscillator
A piece of electrical equipment that produces a back and forth motion in electricity, thus inducing an AC current which can be sonified by a loudspeaker.
Oscilloscope
A device for viewing sound wave vibrations (oscillations).
