Simpler amplitude_to_DB (#367)

* Simpler amplitude_to_DB * flake8

Simpler amplitude_to_DB (#367)
* Simpler amplitude_to_DB * flake8
d1825985 · Charles J.Y. Yoon · Vincent QB · 9ab5dd71 · d1825985
Commit d1825985 authored Dec 14, 2019 by Charles J.Y. Yoon Committed by Vincent QB Dec 13, 2019
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torchaudio/functional.py torchaudio/functional.py +1 -4

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--- a/torchaudio/functional.py
+++ b/torchaudio/functional.py
@@ -293,10 +293,7 @@ def amplitude_to_DB(x, multiplier, amin, db_multiplier, top_db=None):
    x_db -= multiplier * db_multiplier
    if top_db is not None:
-        new_x_db_max = torch.tensor(
+        x_db = x_db.clamp(min=x_db.max().item() - top_db)
-            float(x_db.max()) - top_db, dtype=x_db.dtype, device=x_db.device
-        )
-        x_db = torch.max(x_db, new_x_db_max)
    return x_db