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https://github.com/amsynth/amsynth

Simple software synthesizer for Linux
https://github.com/amsynth/amsynth

c-plus-plus dsp gtk linux lv2 synthesis synthesizer vst

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Simple software synthesizer for Linux

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README 

        
# amsynth



amsynth is is a free and open-source analog modelling (a.k.a virtual analog)

software synthesizer.



It mimics the operation of early analog subtractive synthesizers with classic

oscillator waveforms, envelopes, filter, modulation and effects.



The aim is to make it easy to create and modify sounds.



## Features



- 2 oscillators (sine / saw / square / noise) with hard sync

- 12/24 dB/oct resonant filter (low-pass / high-pass / band-pass / notch)

- 2 ADSR envelope generators (for filter & amplitude)

- LFO which can modulate the oscillators, filter, and amplitude

- Mono, Poly and Legato keyboard modes

- Distortion and reverb

- Hundreds of presets



There are currently several different ways to run amsynth:



- Stand-alone application using JACK, ALSA or OSS

- LV2 plug-in

- VST2 plug-in

- DSSI plug-in



## Presets



amsynth stores presets in banks, each containing 128 presets.



The default user bank is located at `~/.local/share/amsynth/banks/default`

and any preset banks found in the following directories will also be

available to select in the GUI:



- `~/.local/share/amsynth/banks` (user banks)

- `/usr/share/amsynth/banks` (read-only "factory" banks)



# Installation



## Linux



While the simplest way to install amsynth is from your Linux distribution's

package repository, the available versions tend to be quite old.



Package versions: https://repology.org/project/amsynth/versions



More recent builds of amsynth for Ubuntu related distributions are available

through the amsynth PPA:



https://code.launchpad.net/~nick-nickdowell/+archive/ubuntu/amsynth-develop



## FreeBSD



A FreeBSD port of amsynth is available:



https://www.freshports.org/audio/amsynth



## Building from source



### 1. Install Prerequisites



In order to successfully build amsynth you will need compiler with support for

C++14 language features, GNU make, and the following development libraries:



- curl

- Freetype

- GNU autoconf & automake

- GNU gettext & intltool

- GNU make

- libpng

- pandoc

- xcursor

- xinerama

- xrandr

- zlib



The following packages are optional but recommended:



- JACK for audio output

- ALSA for midi & audio

- DSSI and liblo



On Debian and Ubuntu based systems, the recommended packages may be installed

with the following command:



```sh

sudo apt install autopoint dssi-dev intltool g++ libasound2-dev libcurl4-openssl-dev \

	libfreetype-dev libjack-dev liblo-dev libpng-dev libtool libxcursor-dev \

	libxinerama-dev libxrandr-dev pandoc zlib1g-dev

```



### 2. Prepare the source tree



If using a Git checkout of the source code, first run the `autogen.sh` script

to prepare the source tree and build system:



```sh

./autogen.sh

```



### 3. Configure the build



Run the `configure` script to generate Makefiles adapted to your build

environment. Run with `--help` to learn about the available options.



```sh

./configure

```



### 4. Build



Run `make` to build the standalone app and all configured plugin targets. On

multicore systems passing `-j $(nproc)` will significantly speed up the build.



```sh

make -j $(nproc)

```



### 5. Install



To install the software and data in the configured location (which can be

changed using the `--prefix` configure option) run:



```sh

sudo make install

```