
417 Live Instrument Reference
Note that turning off the oscillators will not save CPU power.
24.6.9 Finally...
Operator is the result of an intense preoccupation with FM synthesis and a love and dedication
to the old hardware FM synthesizers, such as the Yamaha SY77, the Yamaha TX81Z and the
NED Synclavier II. FM synthesis was first explored musically by the composer and computer
music pioneer John Chowning in the mid-1960s. In 1973, he and Stanford University began a
relationship with Yamaha that lead to one of the most successful commercial musical instruments
ever, the DX7.
John Chowning realized some very amazing and beautiful musical pieces based on a synthesis
concept that you can now explore yourself simply by playing with Operator in Live.
We wish you loads of fun with it!
24.6.10 The Complete Parameter List
The function of each Operator parameter is explained in the forthcoming sections. Remember
that you can also access explanations of controls in Live (including those belonging to Opera-
tor) directly from the software by placing the mouse over the control and reading the text that
appears in the Info View. Parameters in this list are grouped into sections based on where they
appear in Operator.
Global Shell and Display
Time — This is a global control for all envelope rates.
Tone — Operator is capable of producing timbres with very high frequencies, which can some-
times lead to aliasing artifacts. The Tone setting controls the high frequency content of sounds.
Higher settings are typically brighter but also more likely to produce aliasing.
Volume — This sets the overall volume of the instrument.
Algorithm — An oscillator can modulate other oscillators, be modulated by other oscillators, or
both. The algorithm defines the connections between the oscillators and therefore has a signifi-
cant impact on the sound that is created.
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