Reference Manual

CHAPTER 22. LIVE INSTRUMENT REFERENCE 300
22.2.5 Filter Section
Operator's Filter Section.
As mentioned earlier, the lters are not the main focus of this instrument. However, they
can be very useful for modifying the sonically rich timbres created by the oscillators. And,
since the oscillators also provide you with the classic waveforms of analog synthesizers, you
can very easily build a subtractive synthesizer with them.
The lter section offers lowpass, bandpass, highpass and notch lters, each with the choice
of 12 dB or 24 dB slopes. The 24 dB modes attenuate the ltered frequencies to a much
greater degree, and are commonly used in the creation of bass patches.
Filter cutoff frequency and resonance can be adjusted in the shell. Filter frequency can also
be modulated by note velocity, note pitch, the LFO and the lter envelope. The Freq<Vel,
Freq<Key and Envelope controls in the lter's display set these three functions, respectively.
22.2.6 Global Controls
The maximum number of Operator voices (notes) playing simultaneously can be adjusted
with the Voices parameter in the global display. Ideally, one would want to leave this setting
high enough so that no voices would be turned off while playing, however a setting between
6 and 12 is usually more realistic when considering CPU power.
Tip: Some sounds should play monophonically by nature, which means that they should
only use a single voice. (A ute is a good example.) In these cases, you can set Voices to 1.
If Voices is set to 1, another effect occurs: Overlapping voices will be played legato, which