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Test Dataset Multiplication by Timeshift

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Si11ium
2020-05-12 16:18:01 +02:00
parent dfe2db342f
commit 7f79b62ee0
1 changed files with 2 additions and 1 deletions
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audio_toolset/audio_augmentation.py
+2 -1
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@@ -10,7 +10,8 @@ class Speed(object):
def __call__(self, x): def __call__(self, x):
start = int(np.random.randint(0, x.shape[-1],1)) start = int(np.random.randint(0, x.shape[-1],1))
end = min(int((np.random.uniform(0, self.max_ratio, 1) * x.shape[-1]) + start), x.shape[-1]) end = int((np.random.uniform(0, self.max_ratio, 1) * x.shape[-1]) + start)
end = min(end, x.shape[-1])
try: try:
speed_factor = float(np.random.uniform(min(self.speed_factor, 1), max(self.speed_factor, 1), 1)) speed_factor = float(np.random.uniform(min(self.speed_factor, 1), max(self.speed_factor, 1), 1))
aug_data = librosa.effects.time_stretch(x[start:end], speed_factor) aug_data = librosa.effects.time_stretch(x[start:end], speed_factor)