diff --git a/scripts/pyaudio3dtools/audiofile.py b/scripts/pyaudio3dtools/audiofile.py
index 46bb452082c7d8a0cca04875bc5bca1dd399ccdf..b03b472ae908aa3d57269d3b9fede4167deb3eeb 100755
--- a/scripts/pyaudio3dtools/audiofile.py
+++ b/scripts/pyaudio3dtools/audiofile.py
@@ -35,6 +35,7 @@ import platform
 import shutil
 import struct
 import subprocess as sp
+import warnings
 from importlib import import_module
 from tempfile import TemporaryDirectory
 from typing import Optional, Tuple
@@ -73,6 +74,18 @@ def readfile(
 
     if file_extension == ".wav":
         fs, data = wav.read(filename)
+        if data.dtype == np.int32:
+            data = np.interp(
+                data,
+                (np.iinfo(np.int32).min, np.iinfo(np.int32).max),
+                (np.iinfo(np.int16).min, np.iinfo(np.int16).max),
+            )
+        elif data.dtype == np.float32:
+            data = np.interp(
+                data,
+                (-1, 1),
+                (np.iinfo(np.int16).min, np.iinfo(np.int16).max),
+            )
         x = np.array(data, dtype=outdtype)
         file_len = x.shape[0]
         if x.ndim == 1:
@@ -107,9 +120,11 @@ def writefile(filename: str, x: np.ndarray, fs: int = 48000) -> None:
     """
     _, file_extension = os.path.splitext(os.path.basename(filename))
 
-    clipped_samples = np.sum(np.logical_or(x < np.iinfo(np.int16).min, x > np.iinfo(np.int16).max))
+    clipped_samples = np.sum(
+        np.logical_or(x < np.iinfo(np.int16).min, x > np.iinfo(np.int16).max)
+    )
     if clipped_samples > 0:
-        print("  Warning: %i samples clipped"%clipped_samples)
+        warnings.warn(f"  Warning: {clipped_samples} samples clipped")
         x = np.clip(x, np.iinfo(np.int16).min, np.iinfo(np.int16).max)
 
     if file_extension == ".wav":
@@ -489,7 +504,6 @@ def loudnessinfo(
     in_sig: np.ndarray,
     in_fs: Optional[int] = 48000,
     in_format: Optional[str] = "MONO",
-    in_ls_layout_file: Optional[str] = None,
     output_loudness: Optional[int] = -26,
     loudness_tool: Optional[str] = "bs1770demo",
     use_rms: Optional[bool] = False,
@@ -524,13 +538,10 @@ def loudnessinfo(
     else:
         null_file = "/dev/null"
 
-    # check for binary
     if shutil.which(loudness_tool) is None:
         raise FileNotFoundError(f"The binary {loudness_tool} was not found in path!")
 
-    in_spfmt = spatialaudioformat.Format(
-        in_format=in_format, ls_layout_file=in_ls_layout_file
-    )
+    in_spfmt = spatialaudioformat.Format(in_format=in_format)
 
     if not (in_spfmt.isheadphones or in_spfmt.isloudspeaker or in_spfmt.ambi_order > 1):
         raise NotImplementedError(
@@ -543,7 +554,7 @@ def loudnessinfo(
         )
 
     with TemporaryDirectory() as tmp_dir:
-        tmp_file = os.path.join(tmp_dir, "tmp.pcm")
+        tmp_file = os.path.join(tmp_dir, "tmp_loudness.pcm")
 
         if "bs1770demo" in loudness_tool:
             """