---
name: "qsynth"
section: "1"
platform: "linux"
package: "qsynth"
version: "1.0.6-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/qsynth"
---

# qsynth(1)

A fluidsynth Qt GUI Interface

## NAME

Qsynth - A fluidsynth Qt GUI Interface

## SYNOPSIS

**qsynth** \[*options*\] \[*soundfonts*\] \[*midifiles*\]

## DESCRIPTION

This manual page documents briefly the **qsynth** command-line options.

**Qsynth** is a fluidsynth GUI front-end application written in C++ around the Qt framework using Qt Designer. Eventually it may evolve into a softsynth management application allowing the user to control and manage a variety of command line softsynths but for the moment it wraps the excellent FluidSynth.

**FluidSynth** is a command line software synthesiser based on the Soundfont specification.

## OPTIONS

**-n**, **--no-midi-in**

-

  Don't create a midi driver to read MIDI input events \[default = yes\]

**-m**, **--midi-driver** \<*label*\>

-

  The name of the midi driver to use \[alsa\_raw, alsa\_seq, jack, ...\]

**-K**, **--midi-channels** \<*num*\>

-

  The number of midi channels \[default = 16\]

**-a**, **--audio-driver** \<*label*\>

-

  The audio driver \[alsa, jack, pipewire, ...\]

**-j**, **--connect-jack-outputs**

-

  Attempt to connect the jack outputs to the physical ports.

**-L**, **--audio-channels** \<*num*\>

-

  The number of stereo audio channels \[default = 1\]

**-G**, **--audio-groups** \<*num*\>

-

  The number of audio groups \[default = 1\]

**-z**, **--audio-bufsize** \<*size*\>

-

  Size of each audio buffer.

**-c**, **--audio-bufcount** \<*count*\>

-

  Number of audio buffers.

**-r**, **--sample-rate** \<*rate*\>

-

  Set the sample rate.

**-R**, **--reverb** \<*flag*\>

-

  Turn the reverb on or off \[1\|0\|yes\|no\|on\|off, default = on\]

**-C**, **--chorus** \<*flag*\>

-

  Turn the chorus on or off \[1\|0\|yes\|no\|on\|off, default = on\]

**-g**, **--gain** \<*gain*\>

-

  Set the master gain \[0 \< gain \< 2, default = 1\]

**-o**, **--option** \<*name*=*value*\>

-

  Define a setting name=value

**-s**, **--server**

-

  Create and start server \[default = no\]

**-i**, **--no-shell**

-

  Don't read commands from the shell \[ignored\]

**-d**, **--dump**

-

  Dump midi router events.

**-V**, **--verbose**

-

  Print out verbose messages about midi events.

**-?**, **--help**

-

  Displays help on command-line options.

**-v**, **--version**

-

  Show version information.

## FILES

Configuration settings are stored in ~/.config/rncbc.org/Qsynth.conf

## SEE ALSO

[**fluidsynth**(1)](/fluidsynth/1.md)

## AUTHOR

Qsynth is written by Rui Nuno Capela, Richard Bown, Chris Cannam, Pedro Lopez-Cabanillas.