From 0cf5dfec2c8313fc2ed2aab8d10bf3dc4b9c283f Mon Sep 17 00:00:00 2001
From: 雾聪 <wucong.lyb@alibaba-inc.com>
Date: 星期四, 14 三月 2024 14:41:49 +0800
Subject: [PATCH] update cmakelist

---
 funasr/datasets/audio_datasets/preprocessor.py |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/funasr/datasets/audio_datasets/preprocessor.py b/funasr/datasets/audio_datasets/preprocessor.py
index a3ba3a5..ab75140 100644
--- a/funasr/datasets/audio_datasets/preprocessor.py
+++ b/funasr/datasets/audio_datasets/preprocessor.py
@@ -26,10 +26,11 @@
 			return waveform
 		speed = random.choice(self.speed_perturb)
 		if speed != 1.0:
-			with torch.no_grad():
-				waveform, _ = torchaudio.sox_effects.apply_effects_tensor(
-					torch.tensor(waveform).view(1, -1), fs, [['speed', str(speed)], ['rate', str(fs)]])
-				waveform = waveform.view(-1)
+			if not isinstance(waveform, torch.Tensor):
+				waveform = torch.tensor(waveform)
+			waveform, _ = torchaudio.sox_effects.apply_effects_tensor(
+				waveform.view(1, -1), fs, [['speed', str(speed)], ['rate', str(fs)]])
+			waveform = waveform.view(-1)
 			
 		return waveform
 

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