diff --git a/dcs/utils/__init__.py b/dcs/utils/__init__.py
new file mode 100644
index 0000000..119d80c
--- /dev/null
+++ b/dcs/utils/__init__.py
@@ -0,0 +1,7 @@
+#  SPDX-License-Identifier: MPL-2.0
+#    Copyright (c) 2022 Philipp Le <philipp@philipple.de>.
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+from .fft import swap_freq, abs_log_fft