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© 2014 Blamsoft, Inc. All rights reserved. 

 

Oscillators 

The two oscillators are arranged horizontally in the middle of the panel. 

 

 

LED 

The LED quickly lets you know if the oscillator output is on or off. 

 

Frequency Range 

The Frequency Range Switch selects whether the oscillator is high or low frequency. When it is 
set to high frequency, octave 4’ matches the keyboard notes as usual. When it is set to low 
frequency, the pitch is six octaves below what it would be in the high frequency setting. 

Frequency 

The Frequency knob adjusts the pitch of the oscillator. The knob adjusts the pitch in the range 
of -7 to +7 semitones away from the true pitch. When fine frequency adjustment is enabled in 
the programmer, the knob adjusts the pitch in the range of -0.7 to +0.7 semitones. The fine 
adjustments are useful for subtly fattening the sound of a patch. 

Octave 

The Octave selector sets the octave of the oscillator. Note that the octave labeled 4’ directly 
matches the keyboard pitch. 

Wave 

The Wave knob adjusts the waveform of the oscillator. The waveform changes from triangle to 
saw to square to PWM as the knob is swept from left to right. A triangle is useful as a mellow 
sound, a saw as a bright and buzzy sound, a square as a hollow digital sound, and a PWM as a 
thin grainy sound. Since the knob is continuously variable, the in-between sounds offer many 
possibilities. 

Summary of Contents for VO-1 Viking

Page 1: ...1 0 1 User Manual...

Page 2: ...esizer CV outputs are available so that VO 1 can act as an LFO VO 1 uses state of the art DSP technology to achieve a hardware like sound without overheating your CPU Pitch Modifiers Pitch Range The P...

Page 3: ...tch in the range of 7 to 7 semitones away from the true pitch When fine frequency adjustment is enabled in the programmer the knob adjusts the pitch in the range of 0 7 to 0 7 semitones The fine adjus...

Page 4: ...This image shows the oscillator with the Wave knob slightly past saw toward square As the waveform transitions from saw to square the pulse becomes wider and the ramp becomes lower and shorter From sq...

Page 5: ...ven when the output is off 2 1 Sync Switch The 2 1 Sync Switch locks oscillator 1 to the frequency of oscillator 2 This is done by resetting oscillator 1 to the beginning of its waveform whenever osci...

Page 6: ...ne or coarse control Drift Drift simulates the instability analog oscillators have in their frequency Even when the tuning trim pots have been set very accurately the oscillator frequency of an analog...

Page 7: ...the velocity and turns the oscillator voices on and off Typically gate should either be left unplugged or come from the Movement gate output to save CPU If the gate input is PolyCV the 8 numbered out...

Page 8: ...he instability of an analog oscillator Stretch Stretch affects the spacing between notes Usually it would be one semitone but an out of tune analog synthesizer can have a different spacing between not...

Page 9: ...oscillators There is a numbered jack for each voice when using PolyCV For monophonic CV or note input there is a Mono jack Note that only the Mono jack is controlled by a keyboard input Tuning The tu...

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