diff --git a/pkgs/development/python-modules/rtmixer/default.nix b/pkgs/development/python-modules/rtmixer/default.nix
new file mode 100644
index 000000000000..e1115bd81800
--- /dev/null
+++ b/pkgs/development/python-modules/rtmixer/default.nix
@@ -0,0 +1,40 @@
+{ fetchFromGitHub
+, buildPythonPackage
+, isPy27
+, cython
+, portaudio
+, cffi
+, pa-ringbuffer
+, sounddevice
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "rtmixer";
+  version = "0.1.1";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "spatialaudio";
+    repo = "python-rtmixer";
+    rev = "${version}";
+    sha256 = "1bvgzzxiypvvb3qacbcry6761x9sk3dnx7jga7pli63f69vakg4y";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = [ portaudio ];
+  nativeBuildInputs = [ cython ];
+
+  propagatedBuildInputs = [
+    cffi
+    pa-ringbuffer
+    sounddevice
+  ];
+
+  meta = {
+    description = "Reliable low-latency audio playback and recording with Python, using PortAudio via the sounddevice module";
+    homepage = "https://python-rtmixer.readthedocs.io";
+    maintainers = with lib.maintainers; [ laikq ];
+    license = lib.licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4b629e2a1a6a..1c6a3686fb79 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3502,6 +3502,8 @@ in {
 
   mailman-web = callPackage ../servers/mail/mailman/web.nix { };
 
+  rtmixer = callPackage ../development/python-modules/rtmixer { };
+
   mail-parser = callPackage ../development/python-modules/mail-parser { };
 
   Mako = callPackage ../development/python-modules/Mako { };