Fix incorrect audio trimming with negative index

Differential Revision: D67155973 Pull Request resolved: #3860
pytorch · Dec 13, 2024 · 265bc5c · 265bc5c
1 parent 332760d
commit 265bc5c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/torchaudio/functional/filtering.py b/src/torchaudio/functional/filtering.py
@@ -1665,6 +1665,6 @@ def vad(
     if not has_triggered:
         return waveform[..., :0].view(shape[:-1] + torch.Size([0]))
 
-    res = waveform[:, pos - samplesLen_ns + flushedLen_ns :]
+    res = waveform[:, max(pos - samplesLen_ns + flushedLen_ns, 0) :]
     # unpack batch
     return res.view(shape[:-1] + res.shape[-1:])