diff --git a/tests/test_wave_parsing.py b/tests/test_wave_parsing.py
index 4f15ef1..d948842 100644
--- a/tests/test_wave_parsing.py
+++ b/tests/test_wave_parsing.py
@@ -110,6 +110,8 @@ class TestWaveInfo(TestCase):
             assert info.ixml is not None 
             self.assertIsNotNone(info.ixml.steinberg)
             assert info.ixml.steinberg is not None
+            self.assertIsNotNone(info.ixml.steinberg.audio_speaker_arrangement)
+            self.assertEqual(info.ixml.steinberg.sample_format_size, 3) 
 
     def test_metadata(self):
         file_with_metadata = 'tests/test_files/sound_grinder_pro/new_camera bumb 1.wav'
diff --git a/wavinfo/wave_ixml_reader.py b/wavinfo/wave_ixml_reader.py
index 52ee4d5..f1766f2 100644
--- a/wavinfo/wave_ixml_reader.py
+++ b/wavinfo/wave_ixml_reader.py
@@ -72,9 +72,9 @@ class SteinbergMetadata:
         """
         `AudioSpeakerArrangement` property
         """
-        val = self.parsed.find("./ATTR_LIST/ATTR[NAME/text() = 'AudioSpeakerArrangement']/VALUE/text()")
-        if len(val) > 0:
-            return type(self).AudioSpeakerArrangement(int(val[0]))
+        val = self.parsed.find("./ATTR_LIST/ATTR[NAME = 'AudioSpeakerArrangement']/VALUE")
+        if val is not None:
+            return type(self).AudioSpeakerArrangement(int(val.text))
         else:
             return None
 
@@ -83,7 +83,11 @@ class SteinbergMetadata:
         """
         AudioSampleFormatSize
         """
-        pass
+        val = self.parsed.find("./ATTR_LIST/ATTR[NAME = 'AudioSampleFormatSize']/VALUE")
+        if val is not None:
+            return int(val.text)
+        else:
+            return None
 
     @property
     def media_company(self) -> Optional[str]: