CORNFIELD ELECTRONICS DuoPoloy Guida utente
1
DuoPoly
Quick Operation Guide
Version 2.52
Cornfield Electronics
2
Intro
DuoPoloy is a polyphonic music synthesizer that can be played with the
ArduTouch board’s touch-keyboard. It has 8 octaves, Tremelo, Vibrato, distortion
effects, Low Pass Filter, and several interesting waveform voices. It can also be
used as a sequencer. As well as the touch-keyboard, DuoPoly makes use of the
two knobs and two buttons on the ArduTouch board.
DuoPoly was the first synth created for the ArduTouch music synthesizer project.
DuoPoly can be played as a synth, but its main intent was a synth to demonstrate
and show off the sounds and features of the project and the ArduTouch Arduino
library functions.
It can be played alone, but it can be more easily controlled (and understood) if you
use the Arduino Serial Monitor (or, even better, another serial Terminal program).
The pages that follow comprise a reference guide for all of the features of
DuoPoly.
Please see the last page of this document for an explanation of the types of button
presses used on this synthesizer, including “Tap”, “Double-Tap”, “Tap-Press”, etc.
3
main>
r right voice
l left voice
k push console's virtual keyboard
p select preset (0, 1, 2, 3, 4)
v set volume (0 to 255)
w select waveform (0, 1, 2*)
* latch oscillator frequencies (geometric)
+ latch oscillator frequencies (arithmetic)
u unlatch oscillator frequencies
x set transposition amount (in semi-tones)
[ start sequencers
] stop sequencers
| pause/resume sequencers
. mute
< unmute
! reset
? display info
ESC or ` exit sketch
* waveform 2 available only for __STNDLONE__ and __BAREBONE runtime models
(continued ...)
4
main
left button right button
Press left voice Press right voice
Tap Tap
Double-Tap exit sketch Double-Tap
volume
5
right> or left>
d detune oscillator (-128 to 127, total range is a quarter tone )
e push envelope control
E push effects chain
f set oscillator frequency (20.0 to 20000.0)
g set glide speed (0 to 255, 0 = off)
k push console's virtual keyboard
S push sequencer
t set sequencer tempo (15.0 to 20000.0)
T push tremolo control
V push vibrato control
v set volume (0 to 255)
w select waveform (0, 1, 2*)
* latch frequency geometrically
+ latch frequency arithmetically
[ start sequencer
] stop sequencer
| pause/resume sequencer
. mute
< unmute
! reset
? display info
ESC or ` return to main panel
* waveform 2 available only for __STNDLONE__ and __BAREBONE__ runtime models
(continued ...)
6
right or left
left button right button
Press Press scroll pots
Tap - 1 octave Tap + 1 octave
Double-Tap return to main panel Double-Tap run key menu once
Tap-Press Tap-Press program a sequence
volume
detune
glide
7
Sqnc>
r record a sequence (push step programmer)
t set sequencer tempo (15.0 to 20000.0)
[ start sequencer
] stop sequencer
| pause/resume sequencer
! reset
? display info
8
step>
SPACE or . ++duration
z C
s C#
x D
d D#
c E
v F
g F#
b G
h G#
n A
j A#
m B
, high C
0 thru 8 select octave 0 thru 8
? display current octave
ESC or ` commit sequence
left button right button
Press Press ++duration
Tap - 1 octave Tap + 1 octave
Double-Tap commit sequence Double-Tap
9
envelope>
a set attack time (0 to 255)
d set decay time (0 to 255)
r set release time (0 to 255, 0 = hold)
s set sustain level (0 to 255)
~ set legato retriggering
' set staccato retriggering
. mute
< unmute
! reset
? display envelope state
ESC or ` exit envelope panel
(continued ...)
10
envelope
left button right button
Press Press scroll pots
Tap -1 octave Tap +1 octave
Double-Tap exit envelope panel Double-Tap run key menu once
attack
decay
sustain
release
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