Don't fail on 0 rms (blakeblackshear#8447)

gannino · Nov 4, 2023 · 7270eef · 7270eef
1 parent b54aaad
commit 7270eef
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/frigate/events/audio.py b/frigate/events/audio.py
@@ -240,7 +240,10 @@ def calculate_audio_levels(self, audio_as_float: np.float32) -> Tuple[float, flo
  rms = np.sqrt(np.mean(np.absolute(np.square(audio_as_float))))
 
  # Transform RMS to dBFS (decibels relative to full scale)
- dBFS = 20 * np.log10(np.abs(rms) / AUDIO_MAX_BIT_RANGE)
+ if rms > 0:
+ dBFS = 20 * np.log10(np.abs(rms) / AUDIO_MAX_BIT_RANGE)
+ else:
+ dBFS = 0
 
  self.inter_process_communicator.queue.put(
  (f"{self.config.name}/audio/dBFS", float(dBFS))