4ms Company Matthias Puech Ensemble Oscillator Руководство пользователя - Страница 6
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Controls and Jacks
Root knob and jack
The Root knob controls the pitch of the lowest (root) oscillator before quantization. As you adjust this
knob, the oscillators move up or down in frequency, crossfading between notes in the selected scale.
The Root jack has the same function, with a 1V/oct response limited to voltages between -2V (two
octaves down) and +6V (six octaves up).
Root
Add Note
When used with the Pitch knob, the range exceeds human hearing, from about 1Hz to over 20kHz.
Root
1V/oct
Spread knob and jack
8
The Spread knob adjusts the spacing between the pitches of each oscillator, before quantization. Like
Root, adjusting this knob causes the oscillators to crossfade between notes. With Spread at minimum,
all the oscillators are tuned together, in unison. Turning Spread up causes them to spread apart,
towards the higher frequencies, while leaving the lowest (root) note stationary.
Spread
The Spread jack has the same function, with a linear response for voltages between -5V and +5V.
# Oscillators
# Oscillators
Negative voltages reduce the amount of spread (same as turning the knob down), and positive voltages
increase the amount of spread (same as turning the knob up).
Spread
Pitch knob and jack
The Pitch knob transposes the pitch of all the oscillators continuously after quantization, similarly to
pitch knobs found on common analogue VCOs. All the oscillators are shifted up or down in pitch,
preserving the intervals between them. This can be used to tune the scales to other equipment , to
provide a traditional pitch-sweep effect, or to FM the Ensemble Oscillator with external gear.
Pitch
The Pitch jack has a 1V/oct response to voltages between -2V (two octaves down) and +6V (six
Fine Tune
octaves up). The jack works like an exponential 1V/oct jack found on common analog VCOs. When in
Learn mode, the Pitch jack is used to input new notes (see Learn Jack, page 8).
Pitch
When used with the Root knob, the frequency range exceeds human hearing, from about 1Hz to over
1V/oct
20kHz.
5
6
4
7
Scale knob, switch and jack
3
8
The Scale knob selects the scale to which the oscillators are quantized. See the Scales and Oscillators
2
9
section (page 11) for details about how scales are used. There are 30 pre-programmed scales on the
1
10
Scale
Ensemble Oscillator, arranged in three groups of ten scales each. You can also program your own
scales (see Learn Mode page 14).
The Scale knob has ten positions, each one selects a scale.
12TET
The Scale jack can select a scale by responding to voltages from -5V to +5V. Relative to the position of
the knob, negative voltages select scales of a lower number, and positive voltages select scales of a
Oct.
higher number. The Learn button flashes white each time a new scale is selected, whether you are
Free
using the knob or the jack.
The Scale switch selects one of three groups of scales: 12TET, Octave, or Free. Each group has
different properties regarding allowable intervals and how the scale is repeated. See the Scales and
Oscillators section (page 11) for more details.
Scale
Balance knob and jack
The Balance feature controls how the oscillators are mixed before reaching the output jacks. When
Balance is turned all the way down, only the lowest (root) oscillator will be heard. As you turn Balance
up towards center, the other oscillators will rise in volume, with the lower oscillators being louder than
the higher ones. With Balance at center, all the oscillators will have the same volume. As you continue
Balance
turning Balance up, the lower oscillators will begin to
decrease in volume while the higher ones will remain
louder. With Balance all the way up, only the highest
oscillator will be heard.
Balance
The Balance jack has the same effect, responding to
voltages from of -5V to +5V. Negative voltages shift the
balance towards the lower oscillators (same as turning
the knob down), and positive voltages shift towards the
higher oscillators (same as turning the knob up).
Lowest
osc. only
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All oscillators equally
Highest
osc. only
Balance