Edison ED!SON WaMi Box Manuale utente

ED!SON

Instrument Editor

English manual

2Ed!son –Instrument Editor

Contents

Contents....................................................................................................................................2

Ed!son –Instrument Editor.................................................................................................................4

Preface.............................................................................................................................................4

About these instructions.................................................................................................................5

Part 1: Basics.......................................................................................................................................6

1.1 Not as tough as it looks: Synthesizer & sampler crash course.................................................6

Subtractive synthesis.............................................................................................................6

Audio signal generation........................................................................................................8

Signal shaping.........................................................................................................................8

Modulators .............................................................................................................................11

Splits and multi-samples .....................................................................................................12

Sample loops ..........................................................................................................................13

1.2 Ed!son for advanced users......................................................................................................14

1.3 The WAMI BOX instrument architecture..............................................................................15

1.4 A word about priorities...........................................................................................................17

Part 2: Operation...............................................................................................................................19

2.1 The Ed!son user interface........................................................................................................19

General notes for the user..................................................................................................20

Playing sounds in Ed!son.....................................................................................................22

2.2 First steps and procedures......................................................................................................23

Preparations ..........................................................................................................................23

Importing sample and setting root key.............................................................................23

Setting parameters...............................................................................................................25

Adding splits..........................................................................................................................26

Editing splits..........................................................................................................................27

The special case of stereo samples....................................................................................28

Ed!son –Instrument Editor 3

Creating multi-samples.......................................................................................................29

Parallel editing of multi-samples.......................................................................................31

Creating velocity splits........................................................................................................32

Part 3: Reference................................................................................................................................34

3.1 Parameter reference.................................................................................................................34

OSC.........................................................................................................................................34

FILTER....................................................................................................................................36

OUTAMP................................................................................................................................37

LFO 1 / LFO 2 .......................................................................................................................38

EG 1 / EG 2 / EG 3 .................................................................................................................39

KBT.........................................................................................................................................41

Other parameters and controls..........................................................................................42

3.2 Menu reference........................................................................................................................44

File............................................................................................................................................44

Edit...........................................................................................................................................45

MIDI........................................................................................................................................46

Window....................................................................................................................................46

Help..........................................................................................................................................46

Part 4: Appendix...............................................................................................................................48

4.1 Glossary..................................................................................................................................48

4.2 Other keyboard shortcuts.......................................................................................................50

4Ed!son –Instrument Editor

Ed!son –Instrument Editor

Preface

Ed!son turns your WaMi Box into a powerful sampler. This offers a huge

advantage: You're no longer stuck with prefabricated soundsets or general-MIDI

pidgeonholes, but you can now finally develop your own instrument sounds.

Classical choirs, screaming-guitar meltdowns, or technoid synth -it's all possible,

and much more.

The simple fact that Ed!son lets you create a MIDI instrument out of any wave

file opens limitless possibilities. But that's not all. You can modify any instrument

sound using typical synthesizer elements such as filters, LFOs and envelope

generators.

It doesn't even matter if you're not an experienced sound designer. Ed!son is so

easy to use that even beginners can easily realize their sound ideas. Just give it a

try -after all, you can't break anything...

Have fun customizing sounds with Ed!son!

Ed!son –Instrument Editor 5

About these instructions

This documentation is based on the assumption that you have read the WaMi Box

manual, so that you are familiar with MIDI fundamentals and the basic operation

of your WaMi Box.

The following section contains a digression into the world of synthesizers and

samplers for beginners. There's also a section designed to get experienced users

up and running as quickly as possible.

Hint

Work your way through this documentation with your PC running. Try out what you've read

immediately. Many acoustic events cannot be described adequately in words.

This documentation is organized in four sections:

•Basics: Fundamental information which you must know in order to work with

Ed!son

•Operation: Ed!son's user interface and global functions, basic procedures

•Reference: Description of the individual operating elements/audio parameters

•Appendix: Glossary and keyboard shortcuts

Important note:

Certain Ed!son parameters can have a drastic effect on the volume of a sound, leading to unpleasant

acoustic surprises. Protect your ears and speakers by working at low volumes -at least until you've

gained some experience with Ed!son.

6Ed!son –Instrument Editor

Part 1: Basics

1.1 Not as tough as it looks: Synthesizer & sampler crash

course

Ed!son transforms your WaMi Box into a sampler, allowing you to play wave files

(also known as samples) as MIDI instruments. As you know, anything which is

audible can be recorded as a wave audio file using the WaMi Box and a sample

editor such as the Ed!son Wave. In other words, it's entirely up to you whether

you want to play a melody with a string section, a car horn, or the barking of your

dog.

The key to these infinitely versatile acoustic possibilities of the WaMi Box is the

Ed!son application. It's used to manage and transfer the desired wave files to the

WaMi Box's onboard memory, the sample RAM. What's more, complex

progressions of tonality and volume can be applied to the instrument sounds as

with a synthesizer. In order to systematically achieve acoustic results with Ed!son,

it's necessary to understand the fundamentals of how synthesizers and samplers

work. So, let's take a little excursion into the world of synthetic sound generators.

Subtractive synthesis

The WaMi Box creates an instrument sound when you hit a key on your MIDI

keyboard. That sound passes through three major development phases before it

reaches your ears: Audio signal generation, signal shaping and volume control.

Each of these three phases has its own parameters which can be adjusted across

wide ranges with the Ed!son.

In the WaMi Box, fast computer algorithms and DSPs handle tasks performed by

analog circuits in older synthesizers. Despite the huge technological differences

between old analog synthesizers and current sound cards such as the WaMi Box,

the fundamental architecture of these two worlds is very similar. The magic word

is subtractive synthesis, which is the technique of removing, or subtracting, high-

frequency components (the so-called overtones) from the original signal with the

aid of a low-pass filter. Once a signal has been generated at the correct pitch, it

passes through the filter and changes its acoustic character in varying degrees

Ed!son –Instrument Editor 7

depending on the filter setting. Next, a given volume progression is assigned to the

signal.

8Ed!son –Instrument Editor

The voice architecture of the WAMI BOX is based on subtractive synthesis.

Audio signal generation

Before you can hear a sound, it has to be generated. As you already know, the

WAMI BOX's instrument sounds are based on wave files. Playing a wave file is

not an art form -the cheapest sound cards will do the job. Things get interesting

when playing a wave file as an instrument voice, in other words in multiple voices

and at any (musically appropriate) pitch.

To put it briefly: Unlike other sound cards, our WAMI BOX has its own onboard

sample RAM which permits the instant reproduction of all of the samples stored

there at any required pitch. And that at up to 64 voices simultaneously!

Ed!son's audio signal generation parameters can be found in the OSC field.

Signal shaping

While the signal generation section described above is playing our sample in the

desired pitch, the signal can be altered and manipulated -or shaped -over a wide

range. This is performed by reducing specific frequency ranges. The frequency

above which these signal components are filtered out can be adjusted and is

Signal shaping Volume Volume

Filter

Audio signal generation

Ed!son –Instrument Editor 9

referred to as Cutoff in the Ed!son. Lowering the Cutoff will result in a duller

sound or an emphasis of the bass.

The second important filter parameter is the resonance, referred to in the Ed!son

as Q. Resonance is a form of feedback, in other words, a specified amount of the

output signal of the signal is returned to the filter input. The resonance effect can

be best explored by setting Cutoff low and Q high.

All signal-shaping parameters can be found on the Ed!son user interface in the FILTER section.

Volume control

The third and final development stage of an instrument sound involves the control

of its volume. This section is called VCA (Voltage Controlled Amplifier) in older

synthesizers. In addition to the global volume and panorama settings, the volume

can also be controlled dynamically.

As you probably already know, the volume of a sound is not necessarily constant.

Here are two examples: String sounds increase slowly in volume, while piano

sounds reach their maximum volume immediately and taper off slowly. These are

not constant volumes, but dynamic volume slopes. The following chapter contains

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