Additional check on dbfs value before processing.

horusgui/__init__.py

@@ -1 +1 @@
-__version__ = "0.1.16"
+__version__ = "0.1.17"

horusgui/gui.py

@@ -577,9 +577,6 @@ def handle_fft_update(data):
     _tc = 0.1
     _new_max = float((_old_max * (1 - _tc)) + (np.max(_data) * _tc))
 
-    # Use same IIR to smooth out dBFS readings a little.
-    _new_dbfs = float((widgets["audioDbfsValue_float"] * (1 - _tc)) + (_dbfs * _tc))
-
     # Store new max
     widgets["spectrumPlotRange"][1] = max(widgets["spectrumPlotRange"][0], _new_max)
 
@@ -587,6 +584,13 @@ def handle_fft_update(data):
         widgets["spectrumPlotRange"][0], widgets["spectrumPlotRange"][1] + 20
     )
 
+    # Ignore NaN values.
+    if np.isnan(_dbfs):
+        return
+
+    # Use same IIR to smooth out dBFS readings a little.
+    _new_dbfs = float((widgets["audioDbfsValue_float"] * (1 - _tc)) + (_dbfs * _tc))
+
     # Set dBFS value
     if (_new_dbfs>-5.0):
         _dbfs_ok = "TOO HIGH"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "horusgui"
-version = "0.1.16"
+version = "0.1.17"
 description = ""
 authors = ["Mark Jessop <vk5qi@rfhead.net>"]