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Android Updated for latest AndroidStudio and 6.12.0 release Oct 22, 2018
Bela Bela link libs Oct 22, 2018
Emscripten applied the fixes to Webaudio Csound Nov 7, 2018
Engine improved on fixing inconsistencies of kr sr ksmps when overriding Nov 14, 2018
Frontends Trying to recover my system Aug 29, 2018
H add ##addin and ##subin opcodesand arrange compiler to generate them Nov 4, 2018
InOut fixing flgetsnap Oct 29, 2018
OOps add ##addin and ##subin opcodesand arrange compiler to generate them Nov 4, 2018
Opcodes passign to array Nov 9, 2018
Release_Notes typos Oct 22, 2018
Top Tidying; marking unused fields in CSOUND structure Nov 9, 2018
cmake use -lncurses instead of -lcurses Sep 23, 2018
dependencies src_conv links in release script Mar 30, 2018
doc Replace licence address Jan 1, 2018
etc some more tidying up Jan 19, 2018
examples fixed opcodes example Jul 31, 2018
iOS more merge fixes Nov 3, 2018
include More unused fields in CSOUND renames soeasy to remove Nov 13, 2018
installer placing the MIDI methods in the correct location Oct 24, 2018
interfaces faust compile timout Sep 23, 2018
mingw64-linux Remove unused OpenMP leftovers Jun 3, 2017
mingw64 Merge pull request #1011 from drlazz/patch-2 Sep 8, 2018
msvc Fluidsynth: Slight change to file copying Oct 17, 2018
po Updated French translation Oct 21, 2018
samples added new hrtfopcodes and updated data files Nov 9, 2011
tests another regression test Mar 5, 2018
util Optimisation Sep 24, 2018
util1 tweas Jul 29, 2018
util2 ... Apr 24, 2014
.editorconfig More options for editorconfig style Jun 20, 2017
.gitignore emugens update. added math.h Sep 15, 2018
.travis.yml putting MacOS build back on travis Jan 31, 2018
AUTHORS added Sigurd Saue in Authors Dec 4, 2017 BUILD instructions Mar 23, 2018
CMakeLists.txt Merge branch 'zak_branch' into develosimplifting zak Sep 20, 2018
COPYING Replace licence address Jan 1, 2018
Custom.cmake.ex int32 did not have enough range Feb 1, 2018
INSTALLING updating info Jan 29, 2018 commented out coverity badge for now Mar 12, 2018 Update submission protocol Oct 3, 2018
all_string_files Quiten debugging; translations Oct 9, 2018
appveyor.yml appveyor version Sep 3, 2018
config.doxygen appveyor fix Jan 24, 2018
longline.c Release notes Oct 18, 2018


Version 6.11.0 (Beta)

Build Status Build status

A sound and music computing system.

Csound is copyright (c) 1991-2018 The Csound Developers, see CONTRIBUTORS

Csound is free software; you can redistribute them and/or modify them under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

Csound is distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this software; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA


This repository contains the code for the core Csound library, the interfaces library, and the command-line interface frontend. It also contains specific code for ports to various embedded, mobile and web platforms.

For general project information, please look at, where all details about Csound, what it does, its history, music made with it, and many other things can be found.

The Csound Reference Manual can be found online at

The Csound API application programming interface reference may be found online at

Information on how to build Csound on various platforms is given in the file at the top level directory of this repository.


Csound contains contributions from musicians, scientists, and programmers from around the world. They include (but are not limited to):

  • Allan Lee
  • Andres Cabrera
  • Anthony Kozar
  • Barry Vercoe
  • Bill Gardner
  • Bill Verplank
  • Dan Ellis
  • David Macintyre
  • Ed Costello
  • Eli Breder
  • Fabio P. Bertolotti
  • Felipe Sataler
  • Gabriel Maldonado
  • Greg Sullivan
  • Hans Mikelson
  • Henri Manson
  • Ian McCurdy
  • Istvan Varga
  • Jean Piché
  • Joachim Heintz
  • John Ramsdell
  • John ffitch
  • Marc Resibois
  • Mark Dolson
  • Matt Ingalls
  • Max Mathews
  • Michael Casey
  • Michael Clark
  • Michael Gogins
  • Mike Berry
  • Nate Whetsell
  • Paris Smaragdis
  • Perry Cook
  • Peter Neubäcker
  • Peter Nix
  • Rasmus Ekman
  • Richard Dobson
  • Richard Karpen
  • Rob Shaw
  • Robin Whittle
  • Rory Walsh
  • Sean Costello
  • Stephen Kyne
  • Steven Yi
  • Tito Latini
  • Tom Erbe
  • Victor Lazzarini
  • Ville Pulkki