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This project is no more developed not maintained.

Geonkick

Geonkick - a free software percussion synthesizer.

Geonkick is a synthesizer that can synthesize elements of percussion. The most basic examples are: kicks, snares, hit-hats, shakers, claps.

"Geon" in the name "Geonkick" refers to a hypothetical particle called "geon".

License: GPLv3

Version: 2.8.0

If you have an idea about a feature or found an issue, please, submit it:

If you want your created presets to be added in the list of Geonkick presets , please, create a merge request with the preset archive on GitLab or GitHub. See the folder "presets" how to create a preset archive.

Screenshot

Screenshot

Download

Source code repository:

https://gitlab.com/iurie-sw/geonkick

Latest releases can be found on tags.

Features

  • Kit
    • Supports up to 16 instruments.
    • Save / Load kit in JSON format
    • Export instrument kit to SFZ
  • Multitibral
    • 16 midi key range
    • user configurable key mapping
  • Multichannel
    • 16 stereo audio output channels for plugin (1 stereo for standalone)
    • user configurable mapping of kit instrument to output channels
  • 3 layers
  • Layers Mixer
  • 2 oscillators per layer
    • sine, square, triangle, saw-tooth, sample (wav, ogg, flac)
    • initial phase control
    • amplitude, frequency and sample pitch shift envelope
    • low, band and high pass filter, cutoff envelope
  • FM synthesis
    • OSC1->OSC2
  • One noise generator per layer
    • white & brownian
    • random seed
    • amplitude envelope
    • low, band and high pass filter, cutoff envelope
  • General
    • amplitude envelope & kick length
    • low & high pass filter, cutoff envelope
    • limiter
    • compression
    • distortion
    • distortion drive envelope
    • distortion volume envelope
    • tune percussion option (relative to key A4)
  • Key velocity sensitive for instrument total output amplitude
  • Jack support
  • Export
    • mono, stereo
    • WAV: 16, 24, 32 bit
    • FLAC: 16, 24 bit
    • Ogg
  • Open & Save presets in JSON format
  • Preset browser
  • Standalone
  • Pitch to note
  • LV2 Plugin
    • "Single" version that supports one instrument and one stereo channel per instance.
    • The default version that supports kits of 16 instruments and 16 output stereo channels per instance.
  • Platforms:
    • GNU/Linux
  • Manually scale the UI by factor of 2 (useful for HiDPI cases)

Technical limitations

  • Supports only GNU/Linux and LV2 plugin format.
  • Doesn't support velocity expression for synthesizer parameters (nor for layers), only for total instrument amplitude.
  • The default plugin version (that supports kits) will take per instance about 35 MB from the heap. The "Single" version of the plugin will take about 2 MB per plugin instance. If only one instrument per track is used, it is recommended to use the "Single" version of the plugin.
  • Doesn't support automation of parameters.
  • Doesn't support Bézier curves for envelopes.
  • UI can be scaled but it will be blurred
  • Filters become unstable for some extremal combination of cutoff and resonance parameter.

Requirements

In order Geonkick to run and operate correctly there is a need:

for standalone:

  • GNU/Linux operating system
  • Jack server running

for plugin:

  • GNU/Linux operating system.
  • A host that supports LV2 plugin format.

Install

Install dependencies

In order to build Geonkick there is a need to install the following development packages:

  • libsndfile
  • RapidJSON (version >= 1.1)
  • JACK Audio Connection Kit (optional if building only for plugin)
  • LV2 development library

On Debian, Ubuntu, Ubuntu Studio install:

apt-get install build-essential
apt-get install cmake
apt-get install qjackctl libjack-dev libsndfile-dev
apt-get install rapidjson-dev
apt-get install lv2-dev
Build & install Geonkick

Clone the Geonkick code repository, compile and install.

Note: Use the release version (see tags).

    git clone https://gitlab.com/iurie-sw/geonkick.git
    mkdir geonkick/build
    cd geonkick/build
    cmake ../
    make
    make install

Packages

Geonkick can be found in the repository of ArchLinux, OpenSUSE, Fedora , Manjaro, FreeBSD, KXStudio and Ubuntu Studio.

Packaging

Please, use only release versions (see the repository tags).

Documentation

doc/Documentation.md