diff --git a/tests/scale_pcm.py b/tests/scale_pcm.py
new file mode 100644
index 0000000000000000000000000000000000000000..b44fa33e04d42d50ac0311e67ce52d281ab24ba5
--- /dev/null
+++ b/tests/scale_pcm.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import argparse
+
+THIS_PATH = os.path.join(os.getcwd(), __file__)
+sys.path.append(os.path.join(os.path.dirname(THIS_PATH), "../scripts"))
+
+import pyaudio3dtools
+import pyivastest
+import numpy as np
+
+
+def scale_pcm(file1, file2, factor = 1.0) -> None:
+    """
+    Scale file1 to file2
+    """
+    s1, fs = pyaudio3dtools.audiofile.readfile(file1)
+    s2    = s1 * factor; 
+    pyaudio3dtools.audiofile.writefile(file2, s2, fs)
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("file1", type=str)
+    parser.add_argument("file2", type=str)
+    parser.add_argument("factor", type=float)
+    args = parser.parse_args()
+
+    scale_pcm(**vars(args))
+    sys.exit(0)