CORNFIELD ELECTRONICS DuoPoloy Guide de l'utilisateur

DuoPoly

Quick Operation Guide

Version 2.52

Cornfield Electronics

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.

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 ...)

main

left button right button

Press left voice Press right voice

Tap Tap

Double-Tap exit sketch Double-Tap

volume

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 ...)

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

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

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

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 ...)

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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