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Glossary
Most of the “definitions” below only apply to synthesizer tech-
nology or even specifically to the Virus.
A
Adaptive Control Smoothing (ACS)
Smooth but rapid interpolation of parameter changes to elimi-
nate zipper noise.
Additive synthesis
Method of creating sounds by summing simple waveforms
(usually sine waves). Complex sounds therefore require many
oscillators. See also Subtractive synthesis.
Aftertouch
Obsolete term for either Channel Pressure or Key Pressure.
Allpass filter
Type o f filter which does not remove frequencies from the sig-
nal, but only affects its phase.
Amount
How much a modulation source affects its destination.
Amplitude
A non-scientific definition would be: loudness, level, volume
etc..
Arpeggiator, Arpeggio, Arp
In classical music, Arpeggio means you should play the notes
of a chord in rapid succession instead of all at once. In the syn-
thesizer world, Arpeggiators are clocked processors that turn
chords into (usually) repeating sequences.
Attenuation
Reduction of amplitude etc.. Usually measured in dB. Opposite
of Gain.
B
Balance
Simultaneous control over the relative levels of two signals.
See also cross-fade.
Bandpass filter (BP)
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