Merge pull request #47 from MycroftAI/bugfix/aggressive-trimming

Provide 0.3s buffer for silence trimming
MycroftAI · Jun 15, 2021 · e57b1ff · e57b1ff
2 parents e3e3c8e + ffd7e96
commit e57b1ff
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/backend/app/audio.py b/backend/app/audio.py
@@ -13,7 +13,10 @@ def _detect_leading_silence(sound: AudioSegment) -> int:
         while sound[trim_ms:trim_ms + Audio.chunk_size].dBFS \
                 < Audio.silence_threshold and trim_ms < len(sound):
             trim_ms += Audio.chunk_size
-
+        trim_buffer = 300  # buffer to prevent first sound getting cut
+        trim_ms -= trim_buffer
+        if trim_ms < 0:
+            trim_ms = 0
         return trim_ms
 
     @staticmethod