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FINE
The FINE parameter allows you to affect the detune of OSC2 more precisely. In the center
position, OSC2 has no fine-tuning applied. When turned right, the frequency of OSC2 is
raised up to a maximum of +50 cents. When turned left, the frequency of OSC2 is lowered to
a maximum of -50 cents.
FM
The FM control on page 2 sets the amount by which OSC1 frequency is modulated by the
level of OSC2, up to a maximum of +/- 2 octaves. Because of the wide range of OSC2 detune
and the flexibility of the LFO, this can be used to create a huge array of effects, from adding
rich harmonics to interesting low-frequency modulations.
SPREAD
The SPREAD control allows CRAFTsynth to introduce additional oscillators to achieve unison
and chord modes.
In the first half of the dial, OSC1 and OSC2 are split into 8 individual oscillators and spread out
over the frequency spectrum to create a fat unison sound. This effect is increased up to the
center position.
Past half way, the oscillators arrange themselves into chord shapes. A huge variation of chords
can be created with this control in conjunction with OSC2 detune.
Note: The average level of the sound will be lower when using the SPREAD control.
This is because the combining oscillators are phasing in and out and not constantly
re-enforcing each other as they would if the spread is set to zero.
Returning the spread to zero and retriggering a note will bring all oscillators back to
their original phase and volume.
Oscillators
The CRAFTsynth synthesis engine has two configurable oscillators referred to as OSC1 and
OSC2, which can be combined in various ways to create a multitude of timbres ready to be
shaped and modulated by the filter, LFO and effects.
This section details the relevant controls for OSC1 and OSC2:
WAVE
This control sets the waveform of the currently selected oscillator (See MIX parameter below
for OSC selection). The available wave shapes are:
OSC1 - Sine, Triangle, Saw tooth, Square and PWM
OSC2 - Sine, Triangle Saw tooth, Square and White Noise
The waveforms are indicated around the dial.
MIX
This parameter cross-fades between OSC1 and OSC2. Set half way, each oscillator can be
heard at equal volume.
If you are predominantly listening to OSC1, the WAVE control will set the shape for OSC1, and
vice versa.
DETUNE
This dial raises or lowers the pitch of OSC2 in relation to the note being played. This can be
used to create different harmonies with OSC1 or to achieve a very low or very high-pitched
sound.
When set to the center position, OSC2 is set to the fundamental frequency of the note being
played. When turning to the left, OSC2 pitch is lowered down to a maximum of -24 cents,
always maintaining a ratio of a 3rd, major 5th, minor 5th or octave.
When turning to the right, OSC2 pitch is raised up to a maximum of 24 cents, always
maintaining a ratio of a 3rd, major 5th, minor 5th or octave.
When OSC2 wave shape is set to white noise, the DETUNE parameter affects the cut off
frequency of a low pass filter affecting the noise, allowing the noise to be sculpted. There are
multiple effects that can be achieved using this feature, such as having low frequency noise as
the FM modulation source, creating an ‘unstable’ frequency.
