ZynAddSubFX.pdf

Introduction

ZynAddSubFX is a open source software synthesizer capable of making a countless number of

instruments, from some common heard from expensive hardware to interesting sounds that you'll

boost to an amazing universe of sounds.

The project was started in March 2002 by Nasca Octavian Paul. He began to write ZynAddSubFX

in order to create a synthesizer which could produce beautiful sounds, while being freely available

to anybody who needs it.

You can donate to Paul Nasca using Paypal:

If you wish to donate to others developers/contribuitors, too, please contact them .

Features of ZynAddSubFX:

• Realtime synth

• Polyphonic synth (allows playing more than one note at once)

• Mutlitimbral synth (allows playing more than one instrument at once)

• Microtonal capabilities with any scale, up to 128 notes per octave, and key mapping

• Three synthesizer engines:

• " ADsynth " or " ADnote " is a complex engine which makes sounds by adding a

number of voices. Each one has filters, envelopes, LFOs, morphing, modulation

(Ring Modulation, Phase Modulation... the modulators can have any shape),

resonance, etc. Each voice includes a very powerful waveform generator with up to

128 sine/non-sine harmonics. You can use Fourier synthesis or if you don't like it you

can wave-shaping/filtering of functions. This engine includes anti-aliasing.

• " SUBsynth " or " SUBnote " is a simple engine which makes sounds through

subtraction of harmonics from white noise

• " PADsynth " or " PADnote " is engine that makes very beautiful pads and other

instruments. (these instruments can be exported for use with other programs too)

• Legato, Poly, and Mono modes

• Instruments can be organized in kits, which allows you to make drum kits or layered(mixed)

instruments; this makes possible to use more than one instrument for a single part. It is

possible to choose what items from the kit should be processed by the Part's effects.

• Effects :

• Reverb, Echo, Chorus/Flange, Phaser, AlienWah (it's a kind of vocal morpher),

Distortion(Wave-shaping), EQ, DynamicFilter

• The effects can behave as System Effects or as Insertion Effects ; this allows to use

many effects at the same time. You can put any insertion effect on any part(or more

insertion effects to same parts, if you like so) or you can put the insertion effect to

Master output (very useful if you use the EQ effect). Also, you can have instrument's

effect (which save with the instrument).

• Filters up to 60dB/octave (or more..); filters can be analogic (LPF,HPF, BPF,etc.),

formant (advanced formant filters) and state variable (SVF)

• Envelopes can have ADSR (or ASR, etc..) modes or can be free modes (with any shape)

• Many settings have a " randomness " option, which you can make instruments that every

time produces a subtle different sound; this produces a very pleasant effect (like analogue

synths or natural instruments that can't produces exactly same sound twice). Because of this,

even if it is digital synthesis, it sounds "warm". Listen the ogg vorbis demos from this page

to hear this effect.

• The specifications can be easily changed, so (for example) if you want to change the number

of voices or parts to a higher value or to allow a higher number of effects at the same time,

there is necessary to change only a single value from the source file ( globals.h ) and to

recompile the program

• Intuitive and easy to use User Interface with Clipboard and many objects has user presets

• Midi support (supports many controllers) and (if you want) JACK support

• A built-in Virtual Keyboard which let you to use it even if you don't have a real midi

keyboard

• The graphical user interface can be completely disabled if the user need so

• It is a free program, licensed under version 2 of the GNU General Public License

• LASH support

• DSSI audio output

• Over 300 high quality instruments included

• Many other features... It is is impossible to describe all this program's features in just a page

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