Guides

Guides & tutorials

Step-by-step for our apps: SoundFont (.sf2), FM sysex (.syx) and AUv3 synthesis.

Rsf2

How to merge SoundFont .sf2 files on iPhone, iPad and Mac

Step by step to combine several SoundFonts into a single .sf2 bank — with no quality loss — using Rsf2.

Read guide →Rsf2

How to split a SoundFont .sf2 into individual presets

Break a large SoundFont into individual .sf2 files (one per preset) on iPhone, iPad or Mac with Rsf2.

Read guide →Rsf2

How to edit SoundFont presets: volume, pan, tuning and filter

Adjust volume, pan, tuning, attack, release and a low-pass filter on each .sf2 preset and preview it in the built-in player — with Rsf2.

Read guide →RDX

What is sysex and how to organize .syx FM voice banks

Understand sysex and .syx files and organize 6-operator FM synth voice banks on iPhone, iPad, Mac or the browser with RDX.

Read guide →Tonic

AUv3 on iPhone and iPad: how to use a synth plug-in in your host

Understand what AUv3 is and how to load the Tonic synthesizer as an instrument and as a filter inside AUM, GarageBand, Logic and more.

Read guide →