typically can be kept at maximum for rapid response.
Slider 8
: Spectral shaping; exaggerates the differences of spectral peaks and valleys when shifted upwards
from the default off-position.
Sliders 9 - 11
: Control of the interpolation between the analyzed spectral bands. These are all on-off
controls and their change only comes into effect after system reset or mode change. When all sliders 9 - 11
are off at the minimum position, the interpolation is maximally smooth. This results in decreased spectral
resolution, but minimizes possibly unwanted effects with rapid note changes that vary the spectrum.
Pulling higher sliders up improves step by step the spectral resolution. Note that always the highest number
slider defines the interpolation, lower ones do not have meaning if any higher one is up from the off
position. Slider 11 activates the steepest, almost brick-wall interpolation.
Sliders 16 to 22
define the pitch difference between the two vocoder output channels or notes. When all
are off, the difference is zero. The intervals follow logically the second number below the slider, i.e. Slider
17 (with number 2 below it) activates the second interval, next the third, and so on, up to the seventh at
Slider 22 (or 7 below it). Sliders 17 - 22 have on/off function, and always the higher numbered raised up
determines the interval, regardless of any of the lower ones. In contrast, Slider 16 (or 1 in the lower
numbers) has continuous adjustment with a maximum of a little over one semitone, and it works with any
of the sliders 17 -22. For correct nominal key intervals, keep slider 16 off. These sliders also control the
relative amplitude difference between the two voices.
Sliders 23 - 26
determine the key followed by the interval sliders 17- 22. These have on/off function, now
used as binary coders with 23 as the least significant and 26 most significant bit. When all are off, the key
is C major/A minor, when only 23 is raised, the key is B major/Gsharp minor, when only 24 raised, B flat
major/G minor, etc. See the Table 1 for all the codes corresponding the keys. Because the third interval has
frequent changes between the major and minor intervals try testing the selected key with the Slider 18
raised only; also keep Slider 16 off, otherwise you always get an additional slight pitch difference increase.
Sliders 29 and 30
: Microphone digitiser noise gate. In addition to the spectral noise gate adjustment with
Slider 6, also the input microphone A/D has noise gating. The default gating from system reset can be
varied using these sliders. If you want to increase the gating threshold, move Slider 29 to the maximum
position and move 30 up and down between the minimum and maximum positions. Each sweep up or
down increases the threshold by 3dB. Correspondingly, when Slider 29 is at the minimum position, each
sweep decreases it by -3dB. Overload led blinking shows reaching of the minimum or maximum
threshold.
Table 1: The keys selection coding using Sliders 23-26 in on/off mode, applies to modes 3,8, and 9
Key
Slider 26
Slider 25
Slider 24
Slider 23
C major/A minor
off
off
off
off
C# major/Bb minor
off
off
off
on
D major/B minor
off
off
on
off
D# major/C minor
off
off
on
on
E major/C# minor
off
on
off
off
F major/D minor
off
on
off
on
F# major/D# minor
off
on
on
off
G major/E minor
off
on
on
on
G# major/F minor
on
off
off
off
A major/F# minor
on
off
off
on
Bb major/G minor
on
off
on
off
B major/G# minor
on
off
on
on
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