APPLIED ACOUSTICS SYSTEMS ULTRA ANALOG Manual de usuario descargar pdf (Pagina 32)

4.2 The Oscillator Module 32

the original signal can also be modulated with the signal coming from the LFO module which is

controlled with the LFO knob located just below the Kbd knob.

Note that the sync mode is only effective when the waveform is set to rectangular or saw tooth

and that in this mode the sub-oscillator is disabled. Also, when the oscillator is in Sync mode,

the Time and Amount knobs, instead of acting on the pitch of the master clock, act on the pitch of

oscillator. In other words, when a note is played, a ramp is generated between a starting value of

the pitch of the oscillator and the value determined by the position of the Ratio knob. The duration

of this ramp is adjusted with the Time knob while the starting pitch is determined by the settings

of the Amount knob. Again, the starting pitch of the ramp can be located above or below the ﬁnal

pitch depending whether the inverter button next to the Amount knob is in its on or off position.

Time

Amp

Osc Periode

Sync Periode

Sync Osc Periode

Oscillator Signal

Synchronisation Signal

Synchronized Oscillator Signal

Figure 11: Synchronization of the oscillator.

4.2.5 The Mixer

The mixer section on the right of the Oscillator module is used to set the amplitude of the signal

and the amount sent to the Filter 1 and Filter 2 modules. The amplitude of the signal is set with

the Level knob while the F1/F2 knob is used to pan the output of the Oscillator module between

the Filter 1 and Filter 2 modules. When the F1/F2 knob is in its center position, equal amounts of

signal will be sent to both ﬁlters. When fully turned to the left or right, signal will only be sent to

Filter 1 or Filter 2 respectively.

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APPLIED ACOUSTICS SYSTEMS ULTRA ANALOG Manual de usuario Pagina 32