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export-friendly check in melscale_fbanks #3917

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export-friendly check in melscale_fbanks #3917

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2 changes: 1 addition & 1 deletion src/torchaudio/functional/functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -580,7 +580,7 @@ def melscale_fbanks(
enorm = 2.0 / (f_pts[2 : n_mels + 2] - f_pts[:n_mels])
fb *= enorm.unsqueeze(0)

if (fb.max(dim=0).values == 0.0).any():
if not torch.compiler.is_compiling() and (fb.max(dim=0).values == 0.0).any():
warnings.warn(
"At least one mel filterbank has all zero values. "
f"The value for `n_mels` ({n_mels}) may be set too high. "
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